1997 Advanced Very High Resolution Radiometer (AVHRR) Browse Survey APPENDIX A - Results of AVHRR Browse Survey This appendix contains the results of a March, 1997 survey of some CEOS agencies regarding the details of their production of AVHRR browse. CCRS USGS DLR URI Univ. of Dundee NSC SAA I. Will the person who is filling out this survey please tell us what your are relative to I. Specified and the browse systems for AVHRR, Landsat TM and I. System Engineer I. to was by people with as indicated above I. Manage, produce and design browse systems I. Design and manage browse system. I. No particular for the quick looks I. Design and manage SAA browse systems NOAA/ NCDC/
browse systems (e.g. produce browse data, manage browse system, design browse systems, etc.)? SPOT data including the systems to generate the data, central server system and access and viewing systems. CCRS USGS DLR URI Univ. of Dundee NSC SAA II. Please list all of your browse products which are derived from and used to reference Level 1 AVHRR data. Product 1: Product 2: (etc., as needed) Now, please answer the questions in Sections II. Our browse products reference level 0 AVHRR data. Data is framed into square scenes, reduced to 500 x 500 and II. Online browse for in if user wants to order II. Total Pass AVHHR available since 1992 up to now, elder data up to 1982 in II. 5.5km East Coast SST II. images II. Near real time quick looks II. AVHRR browse [LAC and HRPT data are also available from SAA, but browse is used for all three data compress products. based based NOAA/
1, 2 and 3 for each of the browse products listed in answer to question II above: CCRS USGS DLR URI Univ. of Dundee NSC SAA 1. Browse Data 1.1 level of dataset is intended to be covered by this browse product? a. Only for Level 1 data b. For Level 1 and higher datasets c. Other ( ) 1. 1.1 c. Other (Level 0 data) 1. 1.1 a. Only for Level 1 data 1. 1.1 a. Only for Level 1 data 1. 1.1 a. Only for Level 1 data b. For Level 1 and higher datasets 1. 1.1 a. Only for Level 1 data 1. 1.1 a. Only for Level 1 data 1. 1.1 a. Only for Level 1 data
bands: (band #'s: ) 3/4 (data before Dec. 1994)). they want to see.] CCRS USGS DLR URI Univ. of Dundee NSC SAA 1.3.2 For what purpose did you select the band(s)? (Select all that apply) a. To distinguish clouds b. To recognize c. Other ( ) 1.3.2 a. To clouds c. (To and snow and ice) 1.3.2 1.3.2 a. To clouds b. To recognize c. Other ( improve optical of visuality of data inherent effects ) 1.3.2 a. To clouds b. To recognize 1.3.2 a. To clouds b. To recognize 1.3.2 c. Other upon daylight presence ) 1.3.2 a. To clouds [Both day and night.] b. To recognize c. Other (So that end-users can see the potential to produce imagery) :
1.3.3 If 1.3.2 b. was selected, what are you a. Sea surface b. Vegetation c. Bare soil d. Humidity e. Other 1.3.3 b. 1.3.3 1.3.3 a. Sea surface b. factor and c. Bare soil d. Humidity e. Other (consider daytime / 1.3.3 a. Sea surface 1.3.3 a. Sea surface b. 1.3.3 1.3.3 e. Other (Only those that a user can see in the raw data.) CCRS USGS DLR URI Univ. of Dundee NSC SAA 1.4 Image size, resolution 1.4.1 size (if there are multiple sizes, please list)? ( * * ) (Pixel * Line * Bits) 1.4 1.4.1 (Pixel * Line * Bits) 1.4 1.4.1 every 4th line and 5th sample 8 bit 1.4 1.4.1 1.4 1.4.1 (Pixel * Line * Bits) 1.4 1.4.1 From (102 * 180 * 8) To (512 * 900 * 8) 1.4 1.4.1 ( 158 * 304 * 8 ) (Pixel * Line * Bits) 1.4 / 1.4.1 ( 205 * 191 * 8 ) (Pixel * Line * Bits) [Every other pixel, every other line of raw GAC data, taking the most eight bits out of 10 for each pixel. Each
browse image to 1/32 of a full orbit.] 1.4.2 Pixel resolution (if resolution varies within the product, please provide resolution at the nadir)? ( * ) (Km * Km) 1.4.2 ( 4 * 4 ) (Km * Km) 1.4.2 ( 4 * 5 ) (Km * Km) 1.4.2 about 1.1 km 1.4.2 ( 5.5km ) (Km * Km) 1.4.2 (12 * 6) km 1.4.2 ( 15 * 15 ) (Km * Km) 1.4.2 ( 8 * 8 ) (Km * Km) CCRS USGS DLR URI Univ. of Dundee NSC SAA 1.4.3 Subsample 1: ( ) 1.4.3 1: ( 4 ) 1.4.3 1: ( 4 & 5 ) 1.4.3 1: (6) 1.4.3 1: (5) 1.4.3 1: (12, 6) 1.4.3 1: ( 15 ) 1.4.3 1: ( 4 ) 1.5 1.5.1 method? a. JPEG b. GIF c. Wavelet d. e. Not f. Other ( ) 1.5 1.5.1 a. JPEG 1.5 1.5.1 then JPEG Quality 75 1.5 1.5.1 a. 1.5 1.5.1 a. JPEG (on the server for storage) b. GIF (for by #2 browse server) 1.5 1.5.1 a. JPEG b. GIF d. 1.5 1.5.1 b. GIF 1.5 1.5.1 a. JPEG [delivery of browse to WWW browser.] b. GIF [delivery of to WWW browser.] f. ( pkzip ) [Browse
images are zipped for storage, but are unzipped before being to end-user] CCRS USGS DLR URI Univ. of Dundee NSC SAA 1.5.2 Where is applied? a. No of browse data b. Data is stored c. and during 1.5.2 b. Data is stored 1.5.2 b. Data is stored archive is available if change is needed) 1.5.2 b. Data is stored for of original products (or sections) applies c) being by users 1.5.2 b. Data is stored d. during 1.5.2 b. Data is stored 1.5.2 b. Data is stored 1.5.2 b. Data is stored c. for WWW 1.5.3 Does the user have a choice of 1.5.3 1.5.3 1.5.3 1.5.3 1.5.3 1.5.3 1.5.3
whether or not the browse is a. Yes b. No b. No b. No b. No b. No b. No b. No b. No 1.5.4 Lossless or Lossy or both? a. Lossless b. c. Both 1.5.4 b. Lossy 1.5.4 b. 1.5.4 b. Lossy for all original products: c, by user none, GNU zip, UNIX 1.5.4 a. Lossless (for storage) b. Lossy (for GIF 1.5.4 c. Both 1.5.4 a. Lossless 1.5.4 a. Lossless [For storage.] b. Lossy [For image to WWW browser.] CCRS USGS DLR URI Univ. of Dundee NSC SAA 1.6 Data format 1.6.1 What is the original data format? a. HDF b. CEOS c. UNIX raster image d. NOAA Level 1b format e. NetCDF f. Other ( ) 1.6 1.6.1 b. CEOS 1.6 1.6.1 c. UNIX raster d. NOAA 1b format 1.6 1.6.1 d. NOAA Level 1b format (HRPT) 1.6 1.6.1 d. NOAA Level 1b format f. Other( Level 2: AVHRR Miami DSP image format ) 1.6 1.6.1 f. Other (HRPT Level 0 ) 1.6 1.6.1 c. UNIX raster image 1.6 1.6.1 d. NOAA Level 1b format 1.6.2 What is the original data 1.6.2 a. 1 Km 1.6.2 a. 1 Km 1.6.2 a. 1 Km 1.6.2 a. 1 Km 1.6.2 a. 1 Km 1.6.2 1.6.2 b. 4 Km [The same on on on
a. 1 Km b. 4 Km c. Other ( ) (1.1 km) c. Other ( 3 km ) browse image, from 4-km GAC data is used for both GAC and (1km) datasets.] CCRS USGS DLR URI Univ. of Dundee NSC SAA 1.6.3 What is the browse product format? a. HDF b. JFIF c. GIF d. Wavelet e. f. NetCDF g. GEOTIF h. Other ( ) 1.6.3 b. JFIF 1.6.3 b. JFIF 1.6.3 b. JFIF for original data transfer there are the following format offered (for most product types): LAN (erdas), RAS (SUN raster), HDF, BMP, 1.6.3 c. GIF (#2 server) h. Other (Miami DSP image and #1 server) 1.6.3 b. JFIF c. GIF e. 1.6.3 c. GIF 1.6.3 c. GIF [for WWW h. Other ( ) [JPEG for WWW Browse image; full image for jpeg mapped
of image (data values derived from a specific data granule), image annotation (e.g. lat/lon grid, coastlines, political etc.) and text (e.g. lat/lon corner points, start-stop time, file name, etc.). What is the content of the Browse products you use? a. Only browse image data b. included in browse product file c. Browse image data and in separate files b. included in browse product file metadata available in separate catalog) a. Only browse image data (There is in the header that is in a a. Only browse image data #1 Server b. included in browse product file c. Browse data and in separate files (multiple #2 Server b. included in browse product file b. included in browse product file c. Browse image data and in separate files a. Only browse data c. Browse image data and in separate files are not part of the browse image, but are included as separate delivered together with the browse image as a single window or page.] on on on on comment boundaries
CCRS USGS DLR URI Univ. of Dundee NSC SAA 1.6.5 What kind of annotated is included? (Mark all that apply) a. date and time b. Sensor c. Platform d. Latitude and Longitude e. Map projection f. g. Region (e.g., North 1.6.5 a. date and time b. Sensor c. Platform d. Latitude and 1.6.5 a. date and time b. Sensor d. Latitude and 1.6.5 a. date and time b. Sensor c. Platform d. Latitude and e. Map h. 1.6.5 #1 Server a. date and time b. Sensor c. Platform d. Latitude and e. Map f. h. i. (pallet, etc.) j. 1.6.5 a. date and time c. Platform d. Latitude and 1.6.5 1.6.5 a. [Time must be extracted from Entity ID; explained in on-line help files.] b. [Channel number is specified by user.] in search.] d.[Corner points (plus center WWW) are listed.] e. [A map is drawn, represent
ID.] p. in help] q. Data r. [Line dropouts are as black stripes in the image.] CCRS USGS DLR URI Univ. of Dundee NSC SAA 1.6.6 How does the user obtain this browse product, or about this browse product? a. catalog system b. Stand alone browse system c. Other ( ) 1.6.6 a. catalog system b. alone browse system 1.6.6 a. catalog system 1.6.6 a. catalog system c. Other ( ) 1.6.6 b. Stand alone browse system 1.6.6 a. catalog system b. Stand alone browse system c. Other (WWW too ) 1.6.6 c. Other (WWW) 1.6.6 a. catalog system [Full catalog system can be accessed through or WWW (with limited 1.6.7 List the ways the user can obtain this browse product (mark all that a. Online 1.6.7 a. Online 1.6.7 a. Online 1.6.7 a. Online b. 1.6.7 a. Online 1.6.7 a. Online b. Media 1.6.7 a. Online 1.6.7 a. Online algorithm line
b. Media c. Other ( ) CCRS USGS DLR URI Univ. of Dundee NSC SAA 1.6.8 Please provide a URL to a system interface that will allow us to download a sample of this browse product. 1.6.8 (full system including other sensors) 1.6.8 (Do search then look at browse) 1.6.8 1.6.8 (URL to #2 server interface. Includes about #1 client and server) 1.6.8 1.6.8 1.6.8 (for the WWW interface telnet saars1 for the interface) webglis
North and South for to the user. CCRS USGS DLR URI Univ. of Dundee NSC SAA 1.7.2 Are all browse data products on-line? (If not give or used to qualify which browse is available on-line, e.g. revolving last 90 days worth of data). 1.7.2 All browse products for currently received data is on-line 1.7.2 Yes 1.7.2 all available on-line 1.7.2 Yes 1.7.2 25% of archive has browse 1.7.2 (3 day revolving achive) 1.7.2 All browse images are line. 1.7.3 How much on-line memory is used to support making browse products available on-line? (please indicate type of storage if 1.7.3 18 Gbytes disk storage a server. 1.7.3 1.7.3 stored on RAID system attached to server; for all DFD browse products with (NOAA) in total: 6 GB 1.7.3 (approx. 2,400 MBytes ) 1.7.3 (18,500 MBytes on a browse server), ie. 18.5 1.7.3 1.7.3 30,000 MBytes on a browse server, growing by 1,200 MBytes per tic percentage line
other than a server) (MBytes a browse server) month. CCRS USGS DLR URI Univ. of Dundee NSC SAA 2. Statistics of use 2.1 Do you have statistics on browse access and/or usage? a. Yes b. No 2. 2.1 a. Yes 2. 2.1 a. Yes 2. 2.1 a. Yes 2. 2.1 a. Yes 2. 2.1 a. Yes 2. 2.1 b. No 2. 2.1 b. No are available for user sessions and orders, but not for browse.] 2.2 What are the periods that you have browse user statistics for? (Start - End) 2.2 Monthly access stats from January 1995 to present. 2.2 ?? 94-96 2.2 depends on product type and specific interest; is not yet handled in a way 2.2 2.2 May 1995 to present 2.2 2.2
CCRS USGS DLR URI Univ. of Dundee NSC SAA 2.3 What of things do you have statistics available for? a. Number of user accesses b. Types (e.g. domains) of users c. Number of browse products transferred d. Number of bytes transferred e. Other ( ) 2.3 a. Number of user accesses d. Number of bytes 2.3 a. Number of user accesses c. Number of browse products 2.3 a. Number of user accesses b. Types (e.g. domains) of users c. Number of browse products d. Number of bytes 2.3 a. Number of user accesses b. Types (e.g. domains) of users c. Number of browse products d. Number of 2.3 a. Number of user accesses b. Types (e.g. domains) of users c. Number of browse products d. Number of bytes 2.3 2.3 a. Number of user accesses [For entire system; not for browse.] b. Types (e.g. domains) of users [For entire system; not for browse.] d. Number of bytes [For entire system; not for browse.]
CCRS USGS DLR URI Univ. of Dundee NSC SAA 3. User services 3.1 User interface 3.1.1 Client type (mark all that apply)? a. Agency provided client b. WWW client c. FTP d. ASCII client 3. 3.1 3.1.1 b. WWW client 3. 3.1 3.1.1 a. Agency provided client b. WWW client d. ASCII client 3. 3.1 3.1.1 a. Agency provided client b. WWW client c. FTP d. ASCII client 3. 3.1 3.1.1 a. Agency provided client b. WWW client 3. 3.1 3.1.1 b. WWW client c. FTP 3. 3.1 3.1.1 b. WWW client 3. 3.1 3.1.1 b. WWW client e. 3.1.2 What are the operating systems that your client(s) has/have been ported to? a. Unix b. OS2 c. Windows 95 (16 bit) d. Windows 95 (32 bit) e. 3.1.2 All image capable browsers 3.1.2 a. Unix X-GILS 3.1.2 a. Unix c. Windows 95 (16 bit) 3.1.2 #1 a. Unix b. Sun OS 4.X e. g. VMS (DEC) #2 Any system that supports WWW 3.1.2 All 3.1.2 N/A 3.1.2 these clients are available or in This includes most of the following a. Unix b. OS2 95
specify whether lat/lon grid and/or coastline is included) points are shown in text listing.] CCRS USGS DLR URI Univ. of Dundee NSC SAA 3.2.2 Does the client allow the user to modify or enhance the of the browse product (e.g. annotation overlay, coastline overlay, rivers, political frontiers, etc.)? 3.2.2 No 3.2.2 In separate window Yes 3.2.2 - are fixed within AVHHR - available as separate menu - rivers / frontiers available in separate menu of map browser (with product borders 3.2.2 Yes 3.2.2 Optional overlay: coastline, lat/lon, rivers and political frontiers 3.2.2 No 3.2.2 Not 3.2.3 What user support functions by the client?a. Inventory display b. Map projection c. Browse 3.2.3 a. Inventory display (Standard browse client is used.) 3.2.3 a. Inventory display d. Other browse data 3.2.3 b. Map c. Browse 3.2.3 #1 Server a. Inventory display b. Map f. g. Other (Cost, User 3.2.3 a. Inventory display c. Browse 3.2.3 3.2.3 a. Inventory display b. Map .
e. Data g. Other (Landsat and Imagery) e. Data d. Other browse data log) #2 Server a. Inventory display f. d. Other browse data e. Data CCRS USGS DLR URI Univ. of Dundee NSC SAA 3.2.4 Method of access to browse data? a. File name b. Link to inventory c. Direct transfer (e.g. controlled by client) d. ( ) 3.2.4 b. Link to inventory 3.2.4 b. Link to inventory c. Direct transfer (e.g. by client) 3.2.4 c. Direct transfer (e.g. by client) 3.2.4 a. File name (URL #2 Server) c. Direct transfer (#1 Server) 3.2.4 a. File name b. Link to inventory c. Direct transfer (e.g. by client) 3.2.4 c. Direct transfer (e.g. by client) 3.2.4 d. Other: Implicit in search. NOTE: Please answer the questions in Sections 4 and 5 only once, not for each data type. 4. 4.1 Who has access to your User(s) Manuals? a. Internal use only b. 4. 4.1 Limited user online. 4. 4.1 b. Available to the 4. 4.1 b. Available to the 4. 4.1 b. Available to the 4. 4.1 b. Available to the 4. 4.1 There are no manuals 4. 4.1 b. Available to the Document
Available to the CCRS USGS DLR URI Univ. of Dundee NSC SAA 4.2 What is the delivery method for your User(s) Manuals? a. Help message b. WWW (URL) c. Delivery by ftp (IP addr ) d. Paper product e. f. Other ( ) g. None 4.2 4.2 a. Help message b. WWW (URL ) Guide 4.2 b. WWW (URL : ) c. Delivery by ftp (IP addr : ) d. product e. 4.2 b. WWW (URL : 4.2 b. WWW (URL : d. Paper product 4.2 4.2 a. Help message b. WWW (URL : ) d. Paper product 4.3 What browse documents do you have? a. b. Browse c. 4.3 b. Browse d. Viewer 4.3 e. Other (Internal white paper ) 4.3 some summary info is given in `ISIS Browse Concept', available on Web with 4.3 a. b. Browse c. 4.3 a. b. Browse c. 4.3 4.3 d. Viewer m m
d. Viewer e. Other ( ) f. None d. Viewer CCRS USGS DLR URI Univ. of Dundee NSC SAA 5. Future Plans 5.1 Please list the other datasets (besides AVHRR) for which you provide browse products: 1. 2. . . 5. 5.1 5. 5.1 1. Landsat 2. Imagery 3. Digital -- Future 5. 5.1 1. SAR 2. XSAR 3. 4. Seasat SAR 5. / LISS, PAN 6. ERS-2 / GOME (level 3) 7. DFD feature products 8. Meteor / TOMS 9. Nimbus / TOMS 10. Landsat TM, geocoded products 5. 5.1 5. 5.1 1. SeaWiFS in future, Meteosat in future, possible others 5. 5.1 1. We plan to make browse products of ERS1/2 SAR Low images 5. 5.1 None
CCRS USGS DLR URI Univ. of Dundee NSC SAA 5.2 Do you use the same (as AVHRR) browse system for all of these types of browse, or do you have more than one browse system? a. Same for all b. Different browse system for each dataset c. Other (please explain) 5.2 a. Same for all 5.2 a. the same for Landsat we store three bands for Color browse product b. Different browse system for each dataset 5.2 a. Same for all 5.2 5.2 a. Same for all 5.2 5.2 5.3 Do you plan to support the CEOS CIP protocol on your system? a. Yes b. No 5.3 b. No 5.3 a. Yes 5.3 a. Yes 5.3 b. No 5.3 5.3 b. No 5.3 b. No
CCRS USGS DLR URI Univ. of Dundee NSC SAA 5.4 Do you have plans to make significant or upgrades to your browse system in the next 18 mo.? (if so, please explain briefly) 5.4 There are present activities intended to make the entire browse process more and more easily 5.4 Move to replace Xclient with JAVA 5.4 No, except further upgrade of Web client functions 5.4 No 5.4 5.4 No 5.4 Yes, we plan to improve the WWW interface to include all of the now present in the We also plan to add a Radarsat browse
USGS/EDC Landsat 7 ETM+ 825 by 750 image, composite 5,4,3 as RGB, 3 wavelet passes, JPEG compression (Q=90), size 185 KB. earthexplorer.usgs.gov USGS/EDC Scanned Aircraft Digital Orthophoto Quads 950 by 750 B&W images subsampled by 2 followed by 2 wavelet passes, JPEG compression (Q=75), size 150kB. earthexplorer.usgs.gov USGS/EDC Shuttle SIR-C 256 by 200 image, B&W, proprietary software, GIF, size 45 KB edcdaac.usgs.gov/sir-c/
List of Effective Pages Page Number Issue Title Abstract Doc. Change Summary Contents p. 4-17 Appendix A Revision 1 Original Revision 1 Original Original Original Document History Document Number Status/Issue Publication Date CCR Number The EDC’s Past and Present Browse Strategies Original Revision 1 August 2001 October 2003 NA NA
Dataset Original Data Data Reduction Method Metadata (see .) Typical Size On-line Storage Sample Data AVHRR 3480/3490 tape Subsampled 4th line, 5th sample Single band Day=2, night=4 GLIS browse header in JPEG comment 408 x 1000 x 1 75 KB 320,066 files 22.73 GB 3480/3490 tape JPEG 75% Landsat MSS HDT/DCT Subsampled MSS A 6th line/8th sample MSS P 8th line/8th sample Bands 7, 5, 4 Contrast stretched Color composite GLIS browse header in JPEG comment 400 x 400 x 3 40 KB 644,275 files 24.09 GB 3480/3490 tape JPEG 75% Landsat TM HDT/DCT Subsampled 16th line/16th sample Bands 5, 4, 3 Contrast stretched Color composite GLIS browse header in JPEG comment 400 x 400 x 3 38 KB 536,126 files 19.67 GB 3480/3490 tape JPEG 75%
Landsat 7 ETM D3 tape wavelet passes (8x reduction) Bands 5,4,3 contrast stretched color composite In JPEG comment 825 x 750 x 3 185 KB 624,965 files 63.93GB None JPEG 90% Corona Film Scanned at 50 or 100 dpi GLIS browse header in JPEG comment 1400 x 115 x 1 36 KB 862,584 files 29.01 GB 3490 tape JPEG 75% DOQ Unitree Quarter quads subsampled 2nd line/2nd sample, full quads subsampled 4th line/4th sample, both followed by two wavelet passes (3x3 filter) GLIS browse header in JPEG comment (not present in all files) 800 x 1000 158 KB 260,669 files 40.67GB None JPEG 75% SPOT HDT/DCT Proprietary software (ACS). In JPEG comment 512 x 500 45 KB 998,017 files 42.73 GB None JPEG 75% SIR-C D1 tape Proprietary software None 256 x 200 x 1 44 KB 18,724 files .80 GB 8 mm tape GIF Unitree 16:1 reduction as delivered from NIMA None 500 x 696 x 1 217 KB 2,395 files 0.49 GB None JPEG Declass II Film Scanned In JPEG comment 420 x 1480 x 1 136 KB 47,004 files 6.14 GB None JPEG
Offset Length Description 0 0x04 1 ID, right justified 31 pixel value in the unstretched browse image 34 pixel value in the unstretched browse image 37 of in the browse image 41 of samples in the browse image 45 used in color composite 54 of the northwest corner of the in minutes 60 of the northwest corner of the image in minutes 66 of the northeast corner of the image in minutes 72 of the northeast corner of the image in minutes 78 of the southeast corner of the image in minutes 84 of the southeast corner of the image in minutes 90 of the southwest corner of the image in minutes 96 of the southwest corner of the in minutes 102 of the center point of the image in minutes 108 of the center of the image in minutes 114 value at 0.05% of histogram* 117 value at 2.5% of histogram* 120 pixel value* 123 value at 97.5% of histogram* *The last four fields values from the unstretched browse image and were originally used for a piecewise linear contrast stretch. These values are no longer used, and are not useful, as a contrast stretch has already been applied. GLIS Browse Header Format for Corona Offset Length Description
In addition, the GeoKeyDirectoryTag contains a number of GeoKeys, also defined in the GeoTIFF format specification. The GeoKeys included are show in Table 02. Key ID Key Name Type Example 1 1024 GTModelTypeGeoKey Short (code) 1 (ModelTypeProjected) 1025 GTRasterTypeGeoKey Short (code) 1 (RasterPixelIsArea) 1026 GTCitationGeoKey ASCII “WGS 84 / UTM zone 12N” 2049 GeogCitationGeoKey ASCII “WGS 84” 2054 GeogAngularUnitsGeoKey (code) 9102 (Angular_Degree) 3072 ProjectedCSTypeGeoKey Short (code) 32613 (PCS_WGS_84_UTM_zone_12N) 3076 ProjLinearUnitsGeoKey Short (code) 9001 (Linear_Meter) Table GeoKeys