Repository: gammasim/simtools (language: python)

Issue:
Update telescope files in data/layout and tests/resources after changing header
After changing the header of ECSV telescope files to update the version we need to update the files saved in the ./data directory as well


Discussion / hints:

Fix patch:
diff --git a/data/layout/telescope_positions-North-1LST.ecsv b/data/layout/telescope_positions-North-1LST.ecsv
index b2b417b97..03b5bdc1a 100644
--- a/data/layout/telescope_positions-North-1LST.ecsv
+++ b/data/layout/telescope_positions-North-1LST.ecsv
@@ -1,55 +1,48 @@
-# %ECSV 0.9
+# %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
+#   data_type: positionfile
+#   description: "telescope positions for CTAO North"
 #   EPSG: 32628
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -17.8920302
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: 28.7621661
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2150.0
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2177
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 3185066.278
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 217654.06411838497
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: 28.762158
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -17.891571
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 3185065.2899643113
+#     value: 217611.227
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2158.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2158
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#   comments: |
+#       UTM Zone 28N
 # schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-LST-01 0.0 0.0 0.0 28.762158000000007 -17.891571 217654.06411838497 3185065.2899643113 2142.0
+telescope_name      pos_x      pos_y      pos_z
+LST-01               0.0        0.0        0.0
diff --git a/data/layout/telescope_positions-North-1MST.ecsv b/data/layout/telescope_positions-North-1MST.ecsv
index 22dbee986..36830db21 100644
--- a/data/layout/telescope_positions-North-1MST.ecsv
+++ b/data/layout/telescope_positions-North-1MST.ecsv
@@ -1,55 +1,48 @@
-# %ECSV 0.9
+# %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
+#   data_type: positionfile
+#   description: "telescope positions for CTAO North"
 #   EPSG: 32628
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -17.8920302
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: 28.7621661
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2150.0
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2177
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 3185066.278
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 217654.06411838497
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: 28.762158
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -17.891571
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 3185065.2899643113
+#     value: 217611.227
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2158.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2158
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#   comments: |
+#       UTM Zone 28N
 # schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-MST-01 0.0 0.0 0.0 28.762158000000007 -17.891571 217654.06411838497 3185065.2899643113 2149.0
+telescope_name      pos_x      pos_y      pos_z
+MST-01               0.0        0.0        0.0
diff --git a/data/layout/telescope_positions-North-1SST.ecsv b/data/layout/telescope_positions-North-1SST.ecsv
deleted file mode 100644
index 143efdeac..000000000
--- a/data/layout/telescope_positions-North-1SST.ecsv
+++ /dev/null
@@ -1,55 +0,0 @@
-# %ECSV 0.9
-# ---
-# datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
-# meta:
-#   EPSG: 32628
-#   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2150.0
-#   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 217654.06411838497
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: 28.762158
-#   center_lon: !astropy.units.Quantity
-#     unit: *id002
-#     value: -17.891571
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 3185065.2899643113
-#   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2158.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
-#   corsika_sphere_radius:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 12.5
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.6
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.0
-# schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-SST-01 0.0 0.0 0.0 28.762158000000007 -17.891571 217654.06411838497 3185065.2899643113 2154.75
diff --git a/data/layout/telescope_positions-North-4LST.ecsv b/data/layout/telescope_positions-North-4LST.ecsv
index 24b244508..67cfe39ef 100644
--- a/data/layout/telescope_positions-North-4LST.ecsv
+++ b/data/layout/telescope_positions-North-4LST.ecsv
@@ -1,58 +1,52 @@
-# %ECSV 0.9
+# %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
+#   data_type: positionfile
+#   description: "telescope positions for CTAO North"
 #   EPSG: 32628
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -17.8920302
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: 28.7621661
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2150.0
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2177
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 3185066.278
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 217654.06411838497
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: 28.762158
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -17.891571
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 3185065.2899643113
+#     value: 217611.227
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2158.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2158
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#   comments: |
+#       Prod6 sub-array from CTAO North
+#       UTM Zone 28N
 # schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-LST-01 57.5 57.5 57.5 28.762676802629773 -17.89215977351343 217597.94544395315 3185124.2044917224 2142.0
-LST-02 -57.5 -57.5 -57.5 28.761639194765124 -17.892159767691023 217595.1496128795 3185009.1712657204 2142.0
-LST-03 57.5 57.5 57.5 28.762676802629773 -17.89098222648657 217712.9786216382 3185121.4086168357 2142.0
-LST-04 -57.5 -57.5 -57.5 28.761639194765124 -17.890982232308975 217710.1827950689 3185006.3754829657 2142.0
+telescope_name      pos_x      pos_y      pos_z
+LST-01              -70.99     -52.08      43.00
+LST-02              -35.38      66.14      28.90
+LST-03               75.22      50.45      24.40
+LST-04               30.78     -64.51      30.60
diff --git a/data/layout/telescope_positions-North-4MST.ecsv b/data/layout/telescope_positions-North-4MST.ecsv
index 04ac70722..da18f5a5b 100644
--- a/data/layout/telescope_positions-North-4MST.ecsv
+++ b/data/layout/telescope_positions-North-4MST.ecsv
@@ -1,58 +1,52 @@
-# %ECSV 0.9
+# %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
+#   data_type: positionfile
+#   description: "telescope positions for CTAO North"
 #   EPSG: 32628
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -17.8920302
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: 28.7621661
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2150.0
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2177
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 3185066.278
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 217654.06411838497
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: 28.762158
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -17.891571
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 3185065.2899643113
+#     value: 217611.227
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2158.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2158
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#   comments: |
+#       Prod6 sub-array from CTAO North
+#       UTM Zone 28N
 # schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-MST-01 70.0 70.0 70.0 28.762789585465427 -17.892287768525946 217585.7457324182 3185137.0120037775 2149.0
-MST-02 -70.0 -70.0 -70.0 28.7615264106737 -17.892287759896902 217582.3421113845 3184996.971542539 2149.0
-MST-03 70.0 70.0 70.0 28.762789585465427 -17.890854231474055 217725.7861220474 3185133.6083178106 2149.0
-MST-04 -70.0 -70.0 -70.0 28.7615264106737 -17.8908542401031 217722.38250768976 3184993.567993115 2149.0
+telescope_name      pos_x      pos_y      pos_z
+MST-01              -211.61      5.67      46.50
+MST-02              -153.34    169.04      26.70
+MST-03                26.89    208.73       9.40
+MST-04               175.64     73.07       7.50
diff --git a/data/layout/telescope_positions-North-4SST.ecsv b/data/layout/telescope_positions-North-4SST.ecsv
deleted file mode 100644
index 9c33e0f54..000000000
--- a/data/layout/telescope_positions-North-4SST.ecsv
+++ /dev/null
@@ -1,58 +0,0 @@
-# %ECSV 0.9
-# ---
-# datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
-# meta:
-#   EPSG: 32628
-#   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2150.0
-#   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 217654.06411838497
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: 28.762158
-#   center_lon: !astropy.units.Quantity
-#     unit: *id002
-#     value: -17.891571
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 3185065.2899643113
-#   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2158.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
-#   corsika_sphere_radius:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 12.5
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.6
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.0
-# schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-SST-01 80.0 80.0 80.0 28.762879811645295 -17.89239016473408 217575.98596326663 3185147.2580149896 2154.75
-SST-02 -80.0 -80.0 -80.0 28.761436183311933 -17.892390153463488 217572.0961101121 3184987.211762427 2154.75
-SST-03 80.0 80.0 80.0 28.762879811645295 -17.890751835265917 217736.03212229832 3185143.368077023 2154.75
-SST-04 -80.0 -80.0 -80.0 28.761436183311933 -17.890751846536514 217732.14227786276 3184983.322002804 2154.75
diff --git a/data/layout/telescope_positions-North-TestLayout.ecsv b/data/layout/telescope_positions-North-TestLayout.ecsv
index d113a8275..ad3fcdcc6 100644
--- a/data/layout/telescope_positions-North-TestLayout.ecsv
+++ b/data/layout/telescope_positions-North-TestLayout.ecsv
@@ -1,74 +1,67 @@
 # %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string, description: common telescope name}
-# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to MST15 (central MST)}
-# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to MST15 (central MST)}
-# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to NNN}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
 #   data_type: positionfile
-#   description: "telescope positions for CTA North (La Palma)"
+#   description: "telescope positions for CTAO North"
 #   EPSG: 32628
-#   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2177.0
-#   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 217611.0
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: 28.7621661
 #   center_lon: !astropy.units.Quantity
-#     unit: *id002
+#     unit: &id001 !astropy.units.Unit {unit: deg}
 #     value: -17.8920302
-#   center_northing: !astropy.units.Quantity
+#   center_lat: !astropy.units.Quantity
 #     unit: *id001
-#     value: 3185066.0
+#     value: 28.7621661
+#   center_alt: !astropy.units.Quantity
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2177
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 3185066.278
+#   center_easting: !astropy.units.Quantity
+#     unit: *id002
+#     value: 217611.227
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2158.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2158
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
 #   comments: |
-#       version 0.1
-#       UTM Zone 28
-#       prod5
+#       Prod6 array definition for CTAO North
+#       UTM Zone 28N
 # schema: astropy-2.0
 telescope_name    pos_x    pos_y    pos_z
-LST-01    -70.93     -52.07      43.00
-LST-02    -35.27      66.14      32.00
-LST-03     75.28      50.49      28.70
-LST-04     30.91     -64.54      32.00
-MST-01   -211.54       5.66       50.3
-MST-02   -153.26     169.01       24.0
-MST-03     27.07     198.71       12.2
-MST-04    175.61      73.06        9.0
-MST-05     140.      -189.0      29.0
-MST-06    -75.63    -189.00       42.2
-MST-07   -215.69    -167.36       63.1
-MST-08    -99.01     331.60        9.7
-MST-09    221.62    -355.25       47.0
-MST-10     20.19    -352.46       62.3
-MST-11   -197.30    -335.09       77.1
-MST-12   -303.75     339.75       22.3
-MST-13   -345.89     130.16       58.0
-MST-14   -375.89     -78.24       81.6
-MST-15      0.00       0.00       29.0
+LST-01     -70.99     -52.08      43.00
+LST-02     -35.38      66.14      28.90
+LST-03      75.22      50.45      24.40
+LST-04      30.78     -64.51      30.60
+MST-01    -211.61       5.67      46.50
+MST-02    -153.34     169.04      26.70
+MST-03      26.89     208.73       9.40
+MST-04     175.64      73.07       7.50
+MST-05     140.03    -189.02      29.00
+MST-06     -75.66    -188.96      42.20
+MST-07    -215.65    -167.37      63.00
+MST-08     -99.06     331.63       9.70
+MST-09     221.55    -355.28      47.00
+MST-10      20.29    -352.48      60.00
+MST-11    -197.32    -335.07      77.20
+MST-12    -303.70     339.74      22.30
+MST-13    -345.84     130.19      58.00
+MST-14    -375.77     -78.18      81.60
+MST-15      -0.47      -2.58      27.50
diff --git a/data/layout/telescope_positions-South-1LST.ecsv b/data/layout/telescope_positions-South-1LST.ecsv
index c36c476c3..e49435241 100644
--- a/data/layout/telescope_positions-South-1LST.ecsv
+++ b/data/layout/telescope_positions-South-1LST.ecsv
@@ -1,55 +1,60 @@
-# %ECSV 0.9
+# %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
+#   data_type: positionfile
+#   description: "telescope positions for CTA South (Paranal)"
 #   EPSG: 32719
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -70.316345
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: -24.683429
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2147.0
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2162.35
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 7269466.999
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 366822.0000008711
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: -24.68342915473787
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -70.31634499364885
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 7269465.999807887
+#     value: 366822.017
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2147.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2147
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 7.15
 #     SST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 6.1
+#     SST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 3.25
+#   comments: |
+#       UTM Zone 19 (S)
 # schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-LST-01 0.0 0.0 0.0 -24.683429154737897 -70.3163449936489 366822.0000008711 7269465.999807887 2131.0
+telescope_name      pos_x      pos_y      pos_z
+LST-01               0.0        0.0        0.0
diff --git a/data/layout/telescope_positions-South-1MST.ecsv b/data/layout/telescope_positions-South-1MST.ecsv
index e09127d15..9eb447662 100644
--- a/data/layout/telescope_positions-South-1MST.ecsv
+++ b/data/layout/telescope_positions-South-1MST.ecsv
@@ -1,55 +1,60 @@
-# %ECSV 0.9
+# %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
+#   data_type: positionfile
+#   description: "telescope positions for CTA South (Paranal)"
 #   EPSG: 32719
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -70.316345
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: -24.683429
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2147.0
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2162.35
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 7269466.999
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 366822.0000008711
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: -24.68342915473787
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -70.31634499364885
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 7269465.999807887
+#     value: 366822.017
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2147.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2147
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 7.15
 #     SST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 6.1
+#     SST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 3.25
+#   comments: |
+#       UTM Zone 19 (S)
 # schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-MST-01 0.0 0.0 0.0 -24.683429154737897 -70.3163449936489 366822.0000008711 7269465.999807887 2138.0
+telescope_name      pos_x      pos_y      pos_z
+MST-01               0.0        0.0        0.0
diff --git a/data/layout/telescope_positions-South-1SST.ecsv b/data/layout/telescope_positions-South-1SST.ecsv
index 6706b3649..23a146d2a 100644
--- a/data/layout/telescope_positions-South-1SST.ecsv
+++ b/data/layout/telescope_positions-South-1SST.ecsv
@@ -1,55 +1,60 @@
-# %ECSV 0.9
+# %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
+#   data_type: positionfile
+#   description: "telescope positions for CTA South (Paranal)"
 #   EPSG: 32719
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -70.316345
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: -24.683429
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2147.0
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2162.35
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 7269466.999
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 366822.0000008711
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: -24.68342915473787
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -70.31634499364885
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 7269465.999807887
+#     value: 366822.017
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2147.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2147
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 7.15
 #     SST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 6.1
+#     SST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 3.25
+#   comments: |
+#       UTM Zone 19 (S)
 # schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-SST-01 0.0 0.0 0.0 -24.683429154737897 -70.3163449936489 366822.0000008711 7269465.999807887 2143.75
+telescope_name      pos_x      pos_y      pos_z
+SST-01               0.0        0.0        0.0
diff --git a/data/layout/telescope_positions-South-4LST.ecsv b/data/layout/telescope_positions-South-4LST.ecsv
index 5cd22ab10..5983d0ee4 100644
--- a/data/layout/telescope_positions-South-4LST.ecsv
+++ b/data/layout/telescope_positions-South-4LST.ecsv
@@ -1,58 +1,64 @@
-# %ECSV 0.9
+# %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
+#   data_type: positionfile
+#   description: "telescope positions for CTA South (Paranal)"
 #   EPSG: 32719
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -70.316345
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: -24.683429
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2147.0
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2162.35
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 7269466.999
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 366822.0000008711
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: -24.68342915473787
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -70.31634499364885
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 7269465.999807887
+#     value: 366822.017
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2147.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2147
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 7.15
 #     SST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 6.1
+#     SST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 3.25
+#   comments: |
+#       Prod6 sub-array from CTAO South
+#       UTM Zone 19 (S)
 # schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-LST-01 57.5 57.5 57.5 -24.68291005156705 -70.31691313262846 366763.96140825993 7269522.935123434 2131.0
-LST-02 -57.5 -57.5 -57.5 -24.683948255723298 -70.31691313733373 366765.0646964067 7269407.961204613 2131.0
-LST-03 57.5 57.5 57.5 -24.68291005156705 -70.31577685466934 366878.93530575535 7269524.038389416 2131.0
-LST-04 -57.5 -57.5 -57.5 -24.683948255723298 -70.31577684996405 366880.0385930623 7269409.064514085 2131.0
+telescope_name      pos_x      pos_y      pos_z
+LST-01             -20.64      -64.82      34.00
+LST-02              79.99       -0.77      29.00
+LST-03             -19.40       65.20      31.00
+LST-04             -120.03       1.15      33.00
diff --git a/data/layout/telescope_positions-South-4MST.ecsv b/data/layout/telescope_positions-South-4MST.ecsv
index 63d4ac2bf..f991e2774 100644
--- a/data/layout/telescope_positions-South-4MST.ecsv
+++ b/data/layout/telescope_positions-South-4MST.ecsv
@@ -1,58 +1,64 @@
-# %ECSV 0.9
+# %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
+#   data_type: positionfile
+#   description: "telescope positions for CTA South (Paranal)"
 #   EPSG: 32719
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -70.316345
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: -24.683429
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2147.0
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2162.35
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 7269466.999
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 366822.0000008711
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: -24.68342915473787
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -70.31634499364885
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 7269465.999807887
+#     value: 366822.017
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2147.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2147
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 7.15
 #     SST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 6.1
+#     SST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 3.25
+#   comments: |
+#       Prod6 sub-array from CTAO South
+#       UTM Zone 19 (S)
 # schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-MST-01 70.0 70.0 70.0 -24.682797202762476 -70.31703664047966 366751.3443228542 7269535.312368821 2138.0
-MST-02 -70.0 -70.0 -70.0 -24.6840611034744 -70.31703664745308 366752.6874563608 7269395.344114067 2138.0
-MST-03 70.0 70.0 70.0 -24.682797202762476 -70.31565334681812 366891.31254600314 7269536.655469479 2138.0
-MST-04 -70.0 -70.0 -70.0 -24.6840611034744 -70.31565333984472 366892.65567826625 7269396.687279179 2138.0
+telescope_name      pos_x      pos_y      pos_z
+MST-01              -0.02        0.00      24.00
+MST-02               1.43      151.02      25.00
+MST-03              -1.47     -151.02      31.00
+MST-04             150.72       73.57      21.00
diff --git a/data/layout/telescope_positions-South-4SST.ecsv b/data/layout/telescope_positions-South-4SST.ecsv
index e6d6925a4..dacf3dd5e 100644
--- a/data/layout/telescope_positions-South-4SST.ecsv
+++ b/data/layout/telescope_positions-South-4SST.ecsv
@@ -1,58 +1,64 @@
-# %ECSV 0.9
+# %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
-# - {name: lat, unit: deg, datatype: float64}
-# - {name: lon, unit: deg, datatype: float64}
-# - {name: utm_east, unit: m, datatype: float64}
-# - {name: utm_north, unit: m, datatype: float64}
-# - {name: alt, unit: m, datatype: float64}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
+#   data_type: positionfile
+#   description: "telescope positions for CTA South (Paranal)"
 #   EPSG: 32719
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -70.316345
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: -24.683429
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2147.0
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2162.35
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 7269466.999
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 366822.0000008711
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: -24.68342915473787
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -70.31634499364885
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 7269465.999807887
+#     value: 366822.017
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2147.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2147
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 7.15
 #     SST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 6.1
+#     SST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 3.25
+#   comments: |
+#       Prod6 sub-array from CTAO South
+#       UTM Zone 19 (S)
 # schema: astropy-2.0
-telescope_name pos_x pos_y pos_z lat lon utm_east utm_north alt
-SST-01 80.0 80.0 80.0 -24.682706923644457 -70.31713544660052 366741.25065451534 7269545.214165871 2143.75
-SST-02 -80.0 -80.0 -80.0 -24.68415138160091 -70.31713545570865 366742.78566433943 7269385.25044089 2143.75
-SST-03 80.0 80.0 80.0 -24.682706923644457 -70.31555454069726 366901.21433821553 7269546.74913279 2143.75
-SST-04 -80.0 -80.0 -80.0 -24.68415138160091 -70.31555453158914 366902.749346414 7269386.785491994 2143.75
+telescope_name      pos_x      pos_y      pos_z
+SST-01              199.01      -1.91      16.25
+SST-02             -230.05       2.21      22.75
+SST-03             -252.17    -322.65      40.75
+SST-04             -245.93     327.43      17.25
diff --git a/data/layout/telescope_positions-South-TestLayout.ecsv b/data/layout/telescope_positions-South-TestLayout.ecsv
index 5bd480601..b20b070e6 100644
--- a/data/layout/telescope_positions-South-TestLayout.ecsv
+++ b/data/layout/telescope_positions-South-TestLayout.ecsv
@@ -1,154 +1,128 @@
 # %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string, description: common telescope name}
-# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to MST01 (central MST)}
-# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to MST01 (central MST)}
-# - {name: pos_z, unit: m, datatype: float32, description: telescope position (centre of sphere) upwards relative to NNN}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
 #   data_type: positionfile
 #   description: "telescope positions for CTA South (Paranal)"
 #   EPSG: 32719
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -70.316345
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: -24.683429
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
+#     unit: &id002 !astropy.units.Unit {unit: m}
 #     value: 2162.35
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 7269466.999
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 366822.0000008711
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: -24.68342915473787
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -70.31634499364885
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 7269465.999807887
+#     value: 366822.017
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2147.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2147
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 7.15
 #     SST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 6.1
+#     SST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 3.25
 #   comments: |
-#       version 0.1
+#       Prod6 array definition for CTAO South
 #       UTM Zone 19 (S)
-#       prod5
 # schema: astropy-2.0
 telescope_name    pos_x    pos_y   pos_z
-LST-01      -20.643       -64.817      34.30
-LST-02       79.994        -0.768      29.40
-LST-03      -19.396        65.200      31.00
-LST-04     -120.033         1.151      33.10
-MST-01       -0.017        -0.001      24.35
-MST-02       -1.468      -151.221      31.00
-MST-03       -3.138      -325.245      39.00
-MST-04        1.434       151.220      25.00
-MST-05        3.104       325.243      23.50
-MST-06      156.493       237.052      24.00
-MST-07      147.428        74.202      21.00
-MST-08      145.977       -77.019      26.00
-MST-09      151.915      -240.013      30.00
-MST-10     -151.949       240.011      27.00
-MST-11     -146.011        77.017      28.00
-MST-12     -147.462       -74.203      28.00
-MST-13     -156.527      -237.053      38.50
-MST-14      295.343       447.467      25.00
-MST-15      317.086       159.593      18.50
-MST-16      308.425        -2.960      19.50
-MST-17      313.965      -165.650      22.50
-MST-18      286.702      -453.054      38.50
-MST-19     -286.835       453.054      17.00
-MST-20     -313.599       165.646      30.50
-MST-21     -308.459         2.959      29.50
-MST-22     -316.720      -159.598      35.00
-MST-23     -295.477      -447.468      52.00
-MST-24      582.262        -5.588      13.50
-MST-25     -582.296         5.587      36.00
-SST-01      207.036       156.949      14.25
-SST-02      203.986      -160.894      19.75
-SST-03     -204.020       160.893      22.25
-SST-04     -207.070      -156.950      28.25
-SST-05      168.882       423.275      18.25
-SST-06      160.729      -426.440      33.25
-SST-07     -160.762       426.438      10.25
-SST-08     -168.916      -423.277      42.25
-SST-09        4.972       519.869      11.75
-SST-10       -5.006      -519.871      41.25
-SST-11      395.510       399.996      11.25
-SST-12      387.762      -407.513      28.25
-SST-13     -387.795       407.512      13.25
-SST-14     -395.545      -399.997      50.25
-SST-15      495.605       105.269       9.25
-SST-16      493.494      -114.761      11.75
-SST-17     -493.528       114.760      28.25
-SST-18     -495.640      -105.269      30.25
-SST-19        6.927       723.596      11.75
-SST-20       -6.961      -723.599      59.75
-SST-21      621.223       312.711       7.25
-SST-22      615.114      -324.075      19.25
-SST-23     -615.142       324.575      19.75
-SST-24     -621.259      -312.711      49.25
-SST-25      441.802       669.112      30.25
-SST-26      428.882      -677.470      47.25
-SST-27     -428.914       677.467       7.25
-SST-28     -441.838      -669.114      70.25
-SST-29      820.094        -7.869       4.25
-SST-30     -820.128         7.870      30.75
-SST-31      228.460       794.887      25.25
-SST-32      213.165      -799.128      56.25
-SST-33     -213.198       799.125      10.25
-SST-34     -228.495      -794.890      68.25
-SST-35        9.046       944.425      27.25
-SST-36       -9.080      -944.430      75.25
-SST-37      668.034       562.918      13.25
-SST-38      657.111      -575.635      43.25
-SST-39     -657.142       575.635       8.25
-SST-40     -668.070      -562.919      66.25
-SST-41      885.687       219.253       6.25
-SST-42      881.318      -236.208       9.25
-SST-43     -881.350       236.210      24.25
-SST-44     -885.722      -219.252      42.25
-SST-45      920.537       463.474      12.75
-SST-46      911.476      -481.054      26.25
-SST-47     -911.507       481.054      11.25
-SST-48     -920.574      -463.473      59.25
-SST-49      480.366       966.809      56.25
-SST-50      461.727      -975.853      65.75
-SST-51     -461.758       975.849      16.75
-SST-52     -480.403      -966.813      87.25
-SST-53      714.732       843.133      49.25
-SST-54      698.425      -856.696      53.75
-SST-55     -698.455       856.694      14.75
-SST-56     -714.770      -843.135      84.75
-SST-57     1100.131       -10.556       3.75
-SST-58    -1100.165        10.558      27.75
-SST-59      249.865      1107.552      55.25
-SST-60      228.566     -1112.148      77.75
-SST-61     -227.398      1112.131      25.25
-SST-62     -249.900     -1107.557      89.25
-SST-63      964.010       730.717      27.25
-SST-64      949.814      -749.083      46.25
-SST-65     -949.844       749.082      17.25
-SST-66     -964.048      -730.717      83.25
-SST-67     1199.684       357.573      10.25
-SST-68     1192.605      -380.527      19.25
-SST-69    -1192.635       380.530      12.75
-SST-70    -1199.721      -357.570      47.25
+LST-01     -20.64     -64.82      34.00
+LST-02      79.99      -0.77      29.00
+LST-03     -19.40      65.20      31.00
+LST-04    -120.03       1.15      33.00
+MST-01      -0.02      -0.00      24.00
+MST-02       1.43     151.02      25.00
+MST-03      -1.47    -151.02      31.00
+MST-04     150.72      73.57      21.00
+MST-05     149.28     -76.45      26.00
+MST-06     152.31     238.59      24.00
+MST-07     147.70    -241.47      30.00
+MST-08     313.03      -3.00      19.00
+MST-09    -150.76     -73.57      28.00
+MST-10    -149.32      76.45      28.00
+MST-11    -152.34    -238.59      38.50
+MST-12    -147.73     241.47      27.00
+MST-13    -314.61    -159.02      35.00
+MST-14    -311.50     165.03      30.50
+SST-01     199.01      -1.91      16.25
+SST-02    -230.05       2.21      22.75
+SST-03    -252.17    -322.65      40.75
+SST-04    -245.93     327.43      17.25
+SST-05    -254.59    -574.69      54.25
+SST-06    -243.51     579.47       8.25
+SST-07    -227.70    -795.00      68.25
+SST-08    -212.40     799.22      10.25
+SST-09      -4.81    -499.07      39.75
+SST-10       4.77     499.07      11.75
+SST-11      -7.21    -749.10      62.25
+SST-12       7.17     749.10      12.75
+SST-13     245.90    -327.43      27.25
+SST-14     252.14     322.65      16.75
+SST-15     243.48    -579.47      41.25
+SST-16     254.55     574.69      17.75
+SST-17     212.36    -799.22      56.25
+SST-18     227.66     794.99      25.25
+SST-19    -500.33    -125.23      31.25
+SST-20    -497.84     134.81      28.25
+SST-21    -503.87    -494.28      59.25
+SST-22    -494.29     503.86      10.25
+SST-23    -473.80    -799.64      76.25
+SST-24    -458.36     808.58      17.25
+SST-25     497.80    -134.81      12.25
+SST-26     500.30     125.23       9.25
+SST-27     494.26    -503.86      30.25
+SST-28     503.84     494.28      10.25
+SST-29     458.33    -808.58      54.25
+SST-30     473.76     799.63      37.25
+SST-31    -791.12       7.59      30.25
+SST-32    -744.59     374.23      17.25
+SST-33    -751.64    -359.87      54.25
+SST-34    -810.91     655.93      10.25
+SST-35    -823.35    -640.25      74.25
+SST-36     790.09      -7.58       4.25
+SST-37     744.56    -374.23       4.25
+SST-38     751.61     359.87       6.25
+SST-39     809.88    -655.92      41.25
+SST-40     822.31     640.26      18.75
+SST-41       9.10     950.13      28.25
+SST-42      -9.13    -950.13      75.25
+SST-43    -957.06    -189.86      39.25
+SST-44    -953.24     208.19      22.75
+SST-45     953.20    -208.19       7.75
+SST-46     957.02     189.86       5.25
+SST-47   -1025.15    -510.28      59.25
+SST-48   -1015.16     529.86      13.25
+SST-49    1015.13    -529.86      31.25
+SST-50    1025.11     510.28      25.25
diff --git a/data/parameters/corsika_parameters.yml b/data/parameters/corsika_parameters.yml
index 67a3e5594..891f69d2b 100644
--- a/data/parameters/corsika_parameters.yml
+++ b/data/parameters/corsika_parameters.yml
@@ -67,16 +67,12 @@ SITE_PARAMETERS:
     MAGNET: [20.925, -9.119]
     # ARRANG: [-3.433]
     ARRANG: [0]
-    # TEMPORARY - should be in DB
-    EPSG: [32719]
   North:
     OBSLEV: [2158.e2]
     ATMOSPHERE: [36, 'Y']
     MAGNET: [30.576, 23.571]
     # ARRANG: [-5.3195]
     ARRANG: [0]
-    # TEMPORARY - should be in DB
-    EPSG: [32628]
 
 INTERACTION_FLAGS:
   FIXHEI: [0., 0]


Test patch:
diff --git a/tests/resources/telescope_positions-North-utm.ecsv b/tests/resources/telescope_positions-North-utm.ecsv
index 3f8496542..a830167fb 100644
--- a/tests/resources/telescope_positions-North-utm.ecsv
+++ b/tests/resources/telescope_positions-North-utm.ecsv
@@ -1,23 +1,32 @@
-# %ECSV 0.9
+# %ECSV 1.0
 # ---
 # datatype:
 # - {name: asset_code, datatype: string, description: operational asset code}
 # - {name: sequence_number, datatype: string, description: sequence number}
 # - {name: utm_east, unit: m, datatype: float32}
 # - {name: utm_north, unit: m, datatype: float32}
-# - {name: alt, unit: m, datatype: float32, description: telescope position upwards relative to NNN}
+# - {name: alt, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level}
 # - {name: geo_code, datatype: string, description: Geographical Position Code}
-# meta: !!omap
-# - data_type: positionfile
-# - array_name: "North-ArrayElements"
-# - description: "CTAO Northern Array Element Coordinates"
-# - center_lon: "-17.8920302 deg"
-# - center_lat: "28.7621661 deg"
-# - center_alt: "2177m"
-# - center_northing: "3185066.278 m"
-# - center_easting: "217611.227 m"
-# - corsika_obs_level: "2158 m"
-# - EPSG: 32628
+# meta:
+#   EPSG: 32628
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -17.8920302
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: 28.7621661
+#   center_alt: !astropy.units.Quantity
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2177
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 3185066.278
+#   corsika_obs_level: !astropy.units.Quantity
+#     unit: *id002
+#     value: 2158
+#   comments: |
+#       UTM Zone 28N
+# schema: astropy-2.0
 asset_code sequence_number utm_east utm_north alt geo_code
 LSTN    01    217659.6    3184995.1    2185.0  2B5
 LSTN    02    217542.2    3185033.6    2170.9  2B4
diff --git a/tests/resources/telescope_positions-South-4MST.ecsv b/tests/resources/telescope_positions-South-4MST.ecsv
index fea2cf991..afaa1f9b7 100644
--- a/tests/resources/telescope_positions-South-4MST.ecsv
+++ b/tests/resources/telescope_positions-South-4MST.ecsv
@@ -1,53 +1,64 @@
 # %ECSV 1.0
 # ---
 # datatype:
-# - {name: telescope_name, datatype: string}
-# - {name: pos_x, unit: m, datatype: float64}
-# - {name: pos_y, unit: m, datatype: float64}
-# - {name: pos_z, unit: m, datatype: float64}
+# - {name: telescope_name, datatype: string, description: telescope name}
+# - {name: pos_x, unit: m, datatype: float32, description: telescope position towards North relative to the array center.}
+# - {name: pos_y, unit: m, datatype: float32, description: telescope position towards West relative to the array center.}
+# - {name: pos_z, unit: m, datatype: float32, description: telescope position upwards relative to the CORSIKA observation level.}
 # meta:
+#   data_type: positionfile
+#   description: "telescope positions for CTA South (Paranal)"
 #   EPSG: 32719
+#   center_lon: !astropy.units.Quantity
+#     unit: &id001 !astropy.units.Unit {unit: deg}
+#     value: -70.316345
+#   center_lat: !astropy.units.Quantity
+#     unit: *id001
+#     value: -24.683429
 #   center_alt: !astropy.units.Quantity
-#     unit: &id001 !astropy.units.Unit {unit: m}
-#     value: 2147.0
+#     unit: &id002 !astropy.units.Unit {unit: m}
+#     value: 2162.35
+#   center_northing: !astropy.units.Quantity
+#     unit: *id002
+#     value: 7269466.999
 #   center_easting: !astropy.units.Quantity
-#     unit: *id001
-#     value: 366822.0000008711
-#   center_lat: !astropy.units.Quantity
-#     unit: &id002 !astropy.units.Unit {unit: deg}
-#     value: -24.68342915473787
-#   center_lon: !astropy.units.Quantity
 #     unit: *id002
-#     value: -70.31634499364885
-#   center_northing: !astropy.units.Quantity
-#     unit: *id001
-#     value: 7269465.999807887
+#     value: 366822.017
 #   corsika_obs_level: !astropy.units.Quantity
-#     unit: *id001
-#     value: 2147.0
-#   corsika_sphere_center:
-#     LST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 16.0
-#     MST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 9.0
-#     SST: !astropy.units.Quantity
-#       unit: *id001
-#       value: 3.25
+#     unit: *id002
+#     value: 2147
 #   corsika_sphere_radius:
 #     LST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 12.5
 #     MST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 9.6
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 7.15
 #     SST: !astropy.units.Quantity
-#       unit: *id001
+#       unit: *id002
 #       value: 3.0
+#   corsika_sphere_center:
+#     LST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 16.0
+#     MST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 9.0
+#     SCT: !astropy.units.Quantity
+#       unit: *id002
+#       value: 6.1
+#     SST: !astropy.units.Quantity
+#       unit: *id002
+#       value: 3.25
+#   comments: |
+#       Prod6 sub-array from CTAO South
+#       UTM Zone 19 (S)
 # schema: astropy-2.0
-telescope_name pos_x pos_y pos_z
-MST-01 70.0 70.0 10.0
-MST-02 -70.0 -70.0 100.0
-MST-03 70.0 -70.0 0.0
-MST-04 -70.0 -70.0 42.0
+telescope_name      pos_x      pos_y      pos_z
+MST-01              -0.02      -0.00      24.00
+MST-02               1.43     151.02      25.00
+MST-03              -1.47    -151.02      31.00
+MST-04             150.72      73.57      21.00
diff --git a/tests/unit_tests/layout/test_layout_array.py b/tests/unit_tests/layout/test_layout_array.py
index 1d321e64f..c952eceec 100644
--- a/tests/unit_tests/layout/test_layout_array.py
+++ b/tests/unit_tests/layout/test_layout_array.py
@@ -72,7 +72,7 @@ def test_from_layout_array_name(io_handler, db_config):
     layout = LayoutArray.from_layout_array_name(
         mongo_db_config=db_config, layout_array_name="south-TestLayout"
     )
-    assert 99 == layout.get_number_of_telescopes()
+    assert 68 == layout.get_number_of_telescopes()
     layout = LayoutArray.from_layout_array_name(
         mongo_db_config=db_config, layout_array_name="north-TestLayout"
     )