Subject: NOAA-15, 16, 17, & 18, AVHRR,
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*Topic:*
    Update to implement cloud clearing information and processing 
converter change - Level 1B Version number change

*Date/Time(UTC) Message Issued:*
    28 April 2006, 1930 UTC

*Satellite(s) Involved:*
     NOAA-15, 16, 17, and 18

*Instrument(s) Involved:*
     AVHRR

*Product(s) Involved/Affected:*
    All Products

*Date/Time(UTC) of Initial Implementation:*
    25 January 2006, Time 1930 UTC

*Details/Specifics of Change:*
On January 25, the level 1b processing was updated to include cloud mask 
information.  At that time the header record was updated to use a spare 
byte as a flag to indicate when CLAVRx processing was turned on.  The 
original message that follows, did not include the fact that this was 
considered a level 1b version change. *_ The version number contained in 
the header was updated from 3 to 4. _ _All level 1b documentation should 
reflect that as of January 25 the version number will read, version 4, 
until another change is made._*  Several users have expressed concern 
that the change was unexpected and caused them processing problem.  We 
regret any problems that you may have experienced and will endeavor to 
be more detailed in future notices. 

****Original Message from January 25, 2006****
On January 25, NOAA updated AVHRR level 1b processing so that the 
reserved CLAVR-x  (_*Cl*_ouds from _*AV*_HR*_R_* E*_x_*tended cloud 
mask) bytes are utilized and the announced 1B converter changes are in 
operation.

The changes became operational beginning with the passes listed below:

NSS.HRPT.NM.D06025.S1927.E1938.B1865252.GC 
NSS.HRPT.NM.D06025.S1933.E1946.B1865252.MO 
NSS.GHRR.NM.D06025.S1752.E1925.B1865152.GC 
NSS.GHRR.NM.D06025.S1603.E1758.B1865051.GC
NSS.LHRR.NM.D06025.S1902.E1911.B1865252.GC 
NSS.LHRR.NM.D06025.S1721.E1730.B1865151.GC
NSS.HRPT.NM.D06025.S2247.E2259.B1865454.GC
NSS.GHRR.NM.D06025.S2108.E2245.B1865354.GC
NSS.GHRR.NM.D06025.S1919.E2114.B1865253.GC 
NSS.LHRR.NM.D06025.S2117.E2125.B1865353.GC
 
NSS.HRPT.NN.D06025.S1933.E1945.B0353030.WI 
NSS.GHRR.NN.D06025.S1744.E1932.B0352830.WI
NSS.LHRR.NN.D06025.S1917.E1929.B0352930.WI 
NSS.LHRR.NN.D06025.S1747.E1753.B0352929.WI
NSS.HRPT.NN.D06025.S2114.E2129.B0353131.MO 
NSS.HRPT.NN.D06025.S2124.E2138.B0353131.GC
NSS.GHRR.NN.D06025.S1926.E2121.B0352931.GC 

NSS.HRPT.NK.D06025.S2052.E2103.B4004646.WI 
NSS.GHRR.NK.D06025.S1930.E2052.B4004546.WI
NSS.GHRR.NK.D06025.S1741.E1936.B4004445.WI 
NSS.HRPT.NK.D06025.S2230.E2245.B4004747.WI 
NSS.GHRR.NK.D06025.S2046.E2229.B4004647.WI

NSS.HRPT.NL.D06025.S2128.E2136.B2755050.WI 
NSS.GHRR.NL.D06025.S2001.E2127.B2754950.WI 
NSS.GHRR.NL.D06025.S1811.E2007.B2754849.WI 
NSS.HRPT.NL.D06025.S2316.E2330.B2755151.GC 
NSS.GHRR.NL.D06025.S2121.E2315.B2755051.GC 

****** Information from previous announcement ******

A new flag was added to  the header record (utilizing spares) that 
indicates when the CLAVR-x processing is actually turned on or off. A 
brief explanation of the CLAVR-x is provided below along with a list of 
the affected level 1b bytes. Also, you will find a brief explanation of 
the 1B converter change.  Though we believe this to be a no impact 
change, we are asking that you please monitor your systems carefully 
over the next few days. d89nav

The CLAVR-x provides the cloud mask present in the AVHRR level 1b 
datasets. It was designed to operate under all conditions including all 
orbital configurations. The goal of  the CLAVR-x cloud mask is to 
provide a useful first guess cloud mask for all AVHRR applications that 
require it. It is constrained to perform this task in a timely manner to 
avoid delays in subsequent AVHRR  applications. The CLAVR-x cloud mask 
in level 1b data is stored as a 2-bit value for each pixel . The values 
of the cloud mask are 0= clear,1 =probably clear, 2= probably cloudy and 
3 = cloudy. The cloud mask is a series of spectral and spatial tests 
based on a long heritage of AVHRR cloud detection within NESDIS. In 
addition to providing the 2-bit cloud mask in the level 1b data, the 
results of each CLAVR-x test are also available in HDF files to allow 
for application specific optimization of  the cloud mask.  A draft of 
the CLAVR-x cloud mask theoretical basis document can be found at 
http://cimss.ssec.wisc.edu/clavr/clavrx_docs/clavrx_mask_atbd.pdf .

The CLAVR specific bytes in the level 1B file are outlined below. This 
information can be found in the NOAA-KLM Users' Guide 
(http://www2.ncdc.noaa.gov/docs/klm/html/c8/s83-1.htm) under the NOAA-N  
format information.

*Header Record*

*Field Name*

	

*Start Octet*

	

*End Octet*

	

*Data Type*

	

*Word Size*

	

*Number of Words*

	

*Scale Factor*

	

*Units*

*/CLOUDS FROM AVHRR (CLAVR)/*

	

 

	

 

	

 

	

 

	

 

	

 

	

 

CLAVR Status Bit Field

	

989

	

990

	

u

	

2

	

1

	

0

	

 

bits 15-1: <zero fill>

bit 0: CLAVR processing (0=off; 1=on)

	

 

	

 

	

 

	

 

	

 

	

 

	

 

<Zero Fill>

	

991

	

992

	

i

	

2

	

1

	

0

	

 

*HRPT/LAC Data Record*

*Field Name*

	

*Start Octet*

	

*End Octet*

	

*Data Type*

	

*Word Size*

	

*Number of Words*

	

*Scale Factor*

	

*Units*

*/CLAVR/*

	

* *

	

* *

	

* *

	

* *

	

* *

	

* *

	

* *

<Reserved> [CLAVR Status Bit Field]

	

14977

	

14980

	

u

	

4

	

1

	

0

	

 

bits 31-1: <undefined>
bit 0: CLAVR status (0=disable, CCM codes zero-filled; 1=enable)

	

 

	

 

	

 

	

 

	

 

	

 

	

 

<Reserved> [CLAVR]

	

14981

	

14984

	

u

	

4

	

1

	

0

	

 

<Reserved> [CLAVR CCM (Clear/Cloudy/Mixed) Codes (0=clear; 1=mixed 
clear; 2=mixed cloudy; 3=cloudy)]

	

14985

	

15496

	

u

	

2

	

256

	

0

	

 

Word 1
bits 15-14: CCM code, FOV 1
bits 13-12: CCM code, FOV 2
...
bits 1-0: CCM code, FOV 8

Word 2
bits 15-14: CCM code, FOV 9
...
bits 1-0: CCM code, FOV 16

...
(set of 8 CCM codes per word)
...

Word 256
bits 15-14: CCM code, FOV 2041
...
bits 1-0: CCM code, FOV 2048

	

 

	

 

	

 

	

 

	

 

	

 

	

 

*GAC data Record*

*Field Name*

	

*Start Octet*

	

*End Octet*

	

*Data Type*

	

*Word Size*

	

*Number of Words*

	

*Scale Factor*

	

*Units*

*/CLAVR/*

	

* *

	

* *

	

* *

	

* *

	

* *

	

* *

	

* *

<Reserved> [CLAVR Status Bit Field]

	

4049

	

4052

	

u

	

4

	

1

	

0

	

 

bits 31-1: <undefined>
bit 0: CLAVR status (0=disable, CCM codes zero-filled; 1=enable)

	

 

	

 

	

 

	

 

	

 

	

 

	

 

<Reserved> [CLAVR]

	

4053

	

4056

	

u

	

4

	

1

	

0

	

 

<Reserved> [CLAVR CCM (Clear/Cloudy/Mixed) Codes (0=clear; 1=mixed 
clear; 2=mixed cloudy; 3=cloudy)]

	

4057

	

4160

	

u

	

2

	

52

	

0

	

 

Word 1
bits 15-14: CCM code, FOV 1
bits 13-12: CCM code, FOV 2
...
bits 1-0: CCM code, FOV 8

Word 2
bits 15-14: CCM code, FOV 9
...
bits 1-0: CCM code, FOV 16

...
(set of 8 CCM codes per word)
...

Word 52
bits 15-14: CCM code, FOV 409
bits 13-0: <zero fill>

	

 

	

 

	

 

	

 

	

 

	

 

	

 

The following gives a description of the changes to the converter:
A problem with certain data values in 1b data sets has been reported by 
users. This problem involves 1-, 2-byte or 4-byte data fields where a 
valid data value has the most significant bit set, with all other bits 
0. Therefore, values affected are 1-byte fields with a valid signed 
integer value of -128, 2-byte fields with a valid signed integer value 
of -32768, or 4-byte fields with a valid signed integer value of  
-2147483648. These values may be erroneously stored as 0 in the 1b. The 
1b fields which have been reported as occasionally erroneous are AMSU-B 
and MHS radiometry values and HIRS minor frame bit flags and minor frame 
header elements. See December 13 notice for more details. 

*Contact Person(s) Name/Email/Phone Number for Questions:*
     John.Sapper@noaa.gov  301-457-9014 ext 148 - CLAVR questions
     Emily.Harrod@noaa.gov 301-457-5247 ext. 117 - ops questions

*Web site(s) that contain other relevant information (where applicable):*
     http://www.osdpd.noaa.gov/PSB/PPP/PPP.html - History of level 1B 
notices
     http://www.ssd.noaa.gov/PS/SATS/messages.html - All user notices
     http://www.oso.noaa.gov/poes/index.htm - SOCC polar satellite status
     http://www.oso.noaa.gov/goes/index.htm - SOCC geostationary 
satellite status
     http://www.oso.noaa.gov/daily-news/index.asp 
<http://www.oso.noaa.gov/daily-news/index.htm> - SOCC morning reports
 
 

-- 
*******************************************
*
* Emily D. Harrod
* NOAA/NESDIS/OSDPD/IPD
* Computer Operations Branch
* Pre-Product Processing Group
* E/SP11, Federal Building #4, room 0318
* 5200 Auth Road
* Suitland, Maryland  20746-4304
* USA
* voice 301-457-5247 ext 117
* fax   301-457-5199
* email Emily.Harrod@noaa.gov
*
*******************************************

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<b>Topic:</b>
<br>
&nbsp;&nbsp;&nbsp; Update to implement cloud clearing information and processing
converter change - Level 1B Version number change<br>
<p><b>Date/Time(UTC) Message Issued:</b>
<br>
&nbsp;&nbsp;&nbsp; 28 April 2006, 1930 UTC
</p>
<p><b>Satellite(s) Involved:</b>
<br>
&nbsp;&nbsp;&nbsp;&nbsp; NOAA-15, 16, 17, and 18<br>
</p>
<p><b>Instrument(s) Involved:</b>
<br>
&nbsp;&nbsp;&nbsp;&nbsp; AVHRR
</p>
<p><b>Product(s) Involved/Affected:</b>
<br>
&nbsp;&nbsp;&nbsp; All Products<br>
</p>
<p><b>Date/Time(UTC) of Initial Implementation:</b>
<br>
&nbsp;&nbsp;&nbsp; 25 January 2006, Time 1930 UTC
</p>
<p><b>Details/Specifics of Change:</b>
<br>
On January 25, the level 1b processing was updated to include cloud
mask information.&nbsp; At that time the header record was updated to use a
spare byte as a flag to indicate when CLAVRx processing was turned on.&nbsp;
The original message that follows, did not include the fact that this
was considered a level 1b version change.&nbsp;<b><u> The version number
contained in the header was updated from 3 to 4.&nbsp;</u> <u>All level 1b
documentation should reflect that as of January 25 the version number
will read, version 4, until another change is made.</u></b>&nbsp; Several
users have expressed concern that the change was unexpected and caused
them processing problem.&nbsp; We regret any problems that you may have
experienced and will endeavor to be more detailed in future notices.&nbsp; <br>
</p>
<p><br>
****Original Message from January 25, 2006****<br>
On January 25, NOAA updated AVHRR level 1b processing
so that the reserved CLAVR-x&nbsp; (<u><b>Cl</b></u>ouds from <u><b>AV</b></u>HR<b><u>R</u></b>
E<b><u>x</u></b>tended cloud mask) bytes are utilized and the
announced 1B
converter changes are in operation. <br>
</p>
<p>The changes became operational beginning with the passes listed
below:</p>
<pre>NSS.HRPT.NM.D06025.S1927.E1938.B1865252.GC 
NSS.HRPT.NM.D06025.S1933.E1946.B1865252.MO 
NSS.GHRR.NM.D06025.S1752.E1925.B1865152.GC 
NSS.GHRR.NM.D06025.S1603.E1758.B1865051.GC
NSS.LHRR.NM.D06025.S1902.E1911.B1865252.GC 
NSS.LHRR.NM.D06025.S1721.E1730.B1865151.GC
NSS.HRPT.NM.D06025.S2247.E2259.B1865454.GC
NSS.GHRR.NM.D06025.S2108.E2245.B1865354.GC
NSS.GHRR.NM.D06025.S1919.E2114.B1865253.GC 
NSS.LHRR.NM.D06025.S2117.E2125.B1865353.GC
&nbsp;
NSS.HRPT.NN.D06025.S1933.E1945.B0353030.WI 
NSS.GHRR.NN.D06025.S1744.E1932.B0352830.WI
NSS.LHRR.NN.D06025.S1917.E1929.B0352930.WI 
NSS.LHRR.NN.D06025.S1747.E1753.B0352929.WI
NSS.HRPT.NN.D06025.S2114.E2129.B0353131.MO 
NSS.HRPT.NN.D06025.S2124.E2138.B0353131.GC
NSS.GHRR.NN.D06025.S1926.E2121.B0352931.GC 

NSS.HRPT.NK.D06025.S2052.E2103.B4004646.WI 
NSS.GHRR.NK.D06025.S1930.E2052.B4004546.WI
NSS.GHRR.NK.D06025.S1741.E1936.B4004445.WI 
NSS.HRPT.NK.D06025.S2230.E2245.B4004747.WI 
NSS.GHRR.NK.D06025.S2046.E2229.B4004647.WI

NSS.HRPT.NL.D06025.S2128.E2136.B2755050.WI 
NSS.GHRR.NL.D06025.S2001.E2127.B2754950.WI 
NSS.GHRR.NL.D06025.S1811.E2007.B2754849.WI 
NSS.HRPT.NL.D06025.S2316.E2330.B2755151.GC 
NSS.GHRR.NL.D06025.S2121.E2315.B2755051.GC 

****** Information from previous announcement ******
</pre>
<p>
A new flag was added to&nbsp;
the header record (utilizing spares) that indicates when the
CLAVR-x processing is
actually turned on or off. A brief explanation of the CLAVR-x is
provided
below along with a list of the affected level 1b bytes. Also, you will
find a brief explanation of the 1B converter change.&nbsp; Though we believe
this to be a no impact
change, we are asking that you please monitor your systems carefully
over the next few days. d89nav</p>
<p><br>
The CLAVR-x provides the cloud
mask present in the AVHRR level 1b datasets. It was designed to operate
under all conditions including all orbital configurations. The goal of&nbsp;
the CLAVR-x cloud mask is to provide a useful first guess cloud mask
for all AVHRR applications that require it. It is constrained to
perform
this task in a timely manner to avoid delays in subsequent AVHRR&nbsp;
applications. The CLAVR-x cloud mask in level 1b data is stored as a
2-bit value for each pixel . The values of the cloud mask are 0=
clear,1 =probably clear, 2= probably cloudy and 3 = cloudy. The cloud
mask is a series of spectral and spatial tests based on a long heritage
of AVHRR cloud detection within NESDIS. In addition to providing the
2-bit cloud mask in the level 1b data, the results of each CLAVR-x test
are also available in HDF files to allow for application specific
optimization of&nbsp; the cloud mask.&nbsp; A draft of the CLAVR-x cloud mask
theoretical basis document can be found at
<a class="moz-txt-link-freetext"
 href="http://cimss.ssec.wisc.edu/clavr/clavrx_docs/clavrx_mask_atbd.pdf">http://cimss.ssec.wisc.edu/clavr/clavrx_docs/clavrx_mask_a
.<br>
<br>
The CLAVR specific bytes in the level 1B file are outlined below. This
information can be found in the NOAA-KLM Users' Guide
(<a class="moz-txt-link-freetext"
 href="http://www2.ncdc.noaa.gov/docs/klm/html/c8/s83-1.htm">http://www2.ncdc.noaa.gov/docs/klm/html/c8/s83-1.htm</a>)
under the
NOAA-N&nbsp; format information.<br>
<br>
<b>Header Record</b><br>
</p>
<table class="MsoNormalTable"
 style="margin-left: -0.25pt; border-collapse: collapse;" border="0"
 cellpadding="0" cellspacing="0">
  <thead> <tr style="page-break-inside: avoid;">
    <td
 style="border: 1pt solid windowtext; padding: 0in; width: 256pt;"
 valign="bottom" width="341">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Field Name<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="37">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Start Octet<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="37">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">End Octet<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="33">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Data Type<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="39">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Word Size<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="57">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Number of Words<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="43">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Scale Factor<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="89">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Units<o:p></o:p></span></b></p>
    </td>
  </tr>
  </thead>
</table>
<p>
</p>
<table class="MsoNormalTable"
 style="margin-left: -0.25pt; border-collapse: collapse;" border="0"
 cellpadding="0" cellspacing="0">
  <tbody>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; paddi
 valign="top" width="341">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><i style=""><span style="font-size: 10pt;">CLOUDS FROM AVHRR
(CLAVR)<o:p></o:p></span></i></b></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal"><span style="font-size: 10pt; color: white;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal"><span style="font-size: 10pt; color: white;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="39">
      <p class="MsoNormal"><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="57">
      <p class="MsoNormal"><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="43">
      <p class="MsoNormal"><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="89">
      <p class="MsoNormal"><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid; border-color: -moz-use-text-color windowtext; border-width: medium 1pt; padding: 0in; width: 256pt
 valign="top" width="341">
      <p class="MsoNormal"><span style="font-size: 10pt;">CLAVR Status
Bit Field<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">989<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">990<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">u<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="39">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">2<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="57">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">1<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="43">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">0<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="89">
      <p class="MsoNormal"><span style="font-size: 10pt;"><o:p>&nbsp;</o:p></span></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; paddi
 valign="top" width="341">
      <p class="MsoNormal" style=""><span
 style="font-size: 8pt; font-family: Tahoma;">bits 15-1: &lt;zero
fill&gt;<o:p></o:p></span></p>
      <p class="MsoNormal" style=""><span
 style="font-size: 8pt; font-family: Tahoma;">bit 0: CLAVR processing
(0=off; 1=on)<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="39">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="57">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="43">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="89">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; paddi
 valign="top" width="341">
      <p class="MsoNormal"><span style="font-size: 10pt;">&lt;Zero
Fill&gt;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">991<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">992<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">i<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="39">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">2<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="57">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">1<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="43">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">0<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="89">
      <p class="MsoNormal"><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
  </tbody>
</table>
<p><br>
<b>HRPT/LAC Data Record</b><br>
</p>
<table class="MsoNormalTable" style="border-collapse: collapse;"
 border="0" cellpadding="0" cellspacing="0">
  <thead> <tr style="page-break-inside: avoid;">
    <td
 style="border: 1pt solid windowtext; padding: 0in; width: 256pt;"
 valign="bottom" width="341">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Field Name<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="37">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Start Octet<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="37">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">End Octet<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="33">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Data Type<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="39">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Word Size<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="57">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Number of Words<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="43">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Scale Factor<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="89">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Units<o:p></o:p></span></b></p>
    </td>
  </tr>
  </thead>
</table>
<p>
</p>
<table class="MsoNormalTable" style="border-collapse: collapse;"
 border="0" cellpadding="0" cellspacing="0">
  <tbody>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid; border-color: -moz-use-text-color windowtext; border-width: medium 1pt; padding: 0in; width: 256pt
 valign="top" width="341">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><i style=""><span style="font-size: 10pt;">CLAVR<o:p></o:p></span></i></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="39">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="57">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="43">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="89">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: solid solid none; border-color: windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt medium; paddi
 valign="top" width="341">
      <p class="MsoNormal"><span style="font-size: 10pt;">&lt;Reserved&gt;
[CLAVR Status Bit Field]<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">14977<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">14980<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">u<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="39">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">4<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="57">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">1<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="43">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">0<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="89">
      <p class="MsoNormal"><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; paddi
 valign="top" width="341">
      <p class="MsoNormal" style=""><span
 style="font-size: 8pt; font-family: Tahoma;">bits 31-1:
&lt;undefined&gt;<br>
bit 0: CLAVR status (0=disable, CCM codes zero-filled; 1=enable)<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="39">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="57">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="43">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="89">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; paddi
 valign="top" width="341">
      <p class="MsoNormal"><span style="font-size: 10pt;">&lt;Reserved&gt;
[CLAVR]<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">14981<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">14984<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">u<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="39">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">4<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="57">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">1<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="43">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">0<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="89">
      <p class="MsoNormal"><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid; border-color: -moz-use-text-color windowtext; border-width: medium 1pt; padding: 0in; width: 256pt
 valign="top" width="341">
      <p class="font5"
 style="margin: 0in 0in 0.0001pt; page-break-after: avoid;"><span
 style="">&lt;Reserved&gt; [CLAVR CCM (Clear/Cloudy/Mixed) Codes
(0=clear; 1=mixed clear; 2=mixed cloudy; 3=cloudy)]<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">14985<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">15496<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">u<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="39">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">2<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="57">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">256<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="43">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">0<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="89">
      <p class="MsoNormal"><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; paddi
 valign="top" width="341">
      <p class="MsoNormal" style=""><span
 style="font-size: 8pt; font-family: Tahoma;">Word 1<br>
bits 15-14: CCM code, FOV 1<br>
bits 13-12: CCM code, FOV 2<br>
...<br>
bits 1-0: CCM code, FOV 8<br>
      <br>
Word 2<br>
bits 15-14: CCM code, FOV 9<br>
...<br>
bits 1-0: CCM code, FOV 16<br>
      <br>
...<br>
(set of 8 CCM codes per word)<br>
...<br>
      <br>
Word 256<br>
bits 15-14: CCM code, FOV 2041<br>
...<br>
bits 1-0: CCM code, FOV 2048<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="39">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="57">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="43">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="89">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
  </tbody>
</table>
<p><br>
<b>GAC data Record</b><br>
</p>
<table class="MsoNormalTable"
 style="margin-left: -0.25pt; border-collapse: collapse;" border="0"
 cellpadding="0" cellspacing="0">
  <thead> <tr style="page-break-inside: avoid;">
    <td
 style="border: 1pt solid windowtext; padding: 0in; width: 256pt;"
 valign="bottom" width="341">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Field Name<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="37">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Start Octet<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="37">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">End Octet<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="33">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Data Type<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="39">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Word Size<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="57">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Number of Words<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="43">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Scale Factor<o:p></o:p></span></b></p>
    </td>
    <td
 style="border-style: solid solid solid none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-width: 1pt 
 valign="bottom" width="89">
    <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">Units<o:p></o:p></span></b></p>
    </td>
  </tr>
  </thead>
</table>
<table class="MsoNormalTable" style="border-collapse: collapse;"
 border="0" cellpadding="0" cellspacing="0">
  <tbody>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid; border-color: -moz-use-text-color windowtext; border-width: medium 1pt; padding: 0in; width: 256pt
 valign="top" width="341">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><i style=""><span style="font-size: 10pt;">CLAVR<o:p></o:p></span></i></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="39">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="57">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="43">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="89">
      <p class="MsoNormal" style="text-align: center;" align="center"><b
 style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></b></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: solid solid none; border-color: windowtext windowtext -moz-use-text-color; border-width: 1pt 1pt medium; paddi
 valign="top" width="341">
      <p class="MsoNormal"><span style="font-size: 10pt;">&lt;Reserved&gt;
[CLAVR Status Bit Field]<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">4049<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">4052<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">u<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="39">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">4<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="57">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">1<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="43">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">0<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: solid solid none none; border-color: windowtext windowtext -moz-use-text-color -moz-use-text-color; border-wid
 valign="top" width="89">
      <p class="MsoNormal"><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; paddi
 valign="top" width="341">
      <p class="MsoNormal" style=""><span
 style="font-size: 8pt; font-family: Tahoma;">bits 31-1:
&lt;undefined&gt;<br>
bit 0: CLAVR status (0=disable, CCM codes zero-filled; 1=enable)<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="39">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="57">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="43">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="89">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; paddi
 valign="top" width="341">
      <p class="MsoNormal"><span style="font-size: 10pt;">&lt;Reserved&gt;
[CLAVR]<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">4053<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">4056<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">u<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="39">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">4<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="57">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">1<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="43">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">0<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="89">
      <p class="MsoNormal"><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid; border-color: -moz-use-text-color windowtext; border-width: medium 1pt; padding: 0in; width: 256pt
 valign="top" width="341">
      <p class="font5"
 style="margin: 0in 0in 0.0001pt; page-break-after: avoid;"><span
 style="">&lt;Reserved&gt; [CLAVR CCM (Clear/Cloudy/Mixed) Codes
(0=clear; 1=mixed clear; 2=mixed cloudy; 3=cloudy)]<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">4057<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="37">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">4160<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">u<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="39">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">2<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="57">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">52<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="43">
      <p class="MsoNormal" style="text-align: right;" align="right"><span
 style="font-size: 10pt;">0<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid none none; border-color: -moz-use-text-color windowtext -moz-use-text-color -moz-use-text-color; bo
 valign="top" width="89">
      <p class="MsoNormal"><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
    <tr style="page-break-inside: avoid;">
      <td
 style="border-style: none solid solid; border-color: -moz-use-text-color windowtext windowtext; border-width: medium 1pt 1pt; paddi
 valign="top" width="341">
      <p class="MsoNormal" style=""><span
 style="font-size: 8pt; font-family: Tahoma;">Word 1<br>
bits 15-14: CCM code, FOV 1<br>
bits 13-12: CCM code, FOV 2<br>
...<br>
bits 1-0: CCM code, FOV 8<br>
      <br>
Word 2<br>
bits 15-14: CCM code, FOV 9<br>
...<br>
bits 1-0: CCM code, FOV 16<br>
      <br>
...<br>
(set of 8 CCM codes per word)<br>
...<br>
      <br>
Word 52<br>
bits 15-14: CCM code, FOV 409<br>
bits 13-0: &lt;zero fill&gt;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="37">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="33">
      <p class="MsoNormal" style="text-align: center;" align="center"><span
 style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="39">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="57">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="43">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
      <td
 style="border-style: none solid solid none; border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-wid
 valign="top" width="89">
      <p class="MsoNormal" style=""><span style="font-size: 10pt;">&nbsp;<o:p></o:p></span></p>
      </td>
    </tr>
  </tbody>
</table>
<p><br>
The following gives a description of the changes to the converter:<br>
A problem with certain data values in 1b data sets has been reported by
users. This problem involves 1-, 2-byte or 4-byte data fields where a
valid data value has the most significant bit set, with all other bits
0. Therefore, values affected are 1-byte fields with a valid signed
integer value of &#8211;128, 2-byte fields with a valid signed integer value
of &#8211;32768, or 4-byte fields with a valid signed integer value of&nbsp;
&#8211;2147483648. These values may be erroneously stored as 0 in the 1b. The
1b fields which have been reported as occasionally erroneous are AMSU-B
and MHS radiometry values and HIRS minor frame bit flags and minor
frame header elements. See December 13 notice for more details.&nbsp;</p>
<p><b>Contact Person(s) Name/Email/Phone Number for Questions:</b>
<br>
&nbsp;&nbsp;&nbsp;&nbsp; <a class="moz-txt-link-abbreviated"
 href="mailto:John.Sapper@noaa.gov">John.Sapper@noaa.gov</a>&nbsp;
301-457-9014 ext 148 - CLAVR questions<br>
&nbsp; &nbsp;&nbsp; <a class="moz-txt-link-abbreviated"
 href="mailto:Emily.Harrod@noaa.gov">Emily.Harrod@noaa.gov</a>
301-457-5247 ext. 117 - ops questions
<br>
</p>
<p><b>Web site(s) that contain other relevant information (where
applicable):</b>
<br>
&nbsp;&nbsp;&nbsp;&nbsp; <a href="http://www.osdpd.noaa.gov/PSB/PPP/PPP.html">http://www.osdpd.noaa.gov/PSB/PPP/PPP.html</a>
- History of level 1B notices
<br>
&nbsp;&nbsp;&nbsp;&nbsp; <a href="http://www.ssd.noaa.gov/PS/SATS/messages.html">http://www.ssd.noaa.gov/PS/SATS/messages.html</a>
- All user notices
<br>
&nbsp;&nbsp;&nbsp;&nbsp; <a class="moz-txt-link-freetext"
 href="http://www.oso.noaa.gov/poes/index.htm">http://www.oso.noaa.gov/poes/index.htm</a>
- SOCC polar satellite status<br>
&nbsp; &nbsp;&nbsp;&nbsp;<a class="moz-txt-link-freetext"
 href="http://www.oso.noaa.gov/goes/index.htm">http://www.oso.noaa.gov/goes/index.htm</a>
- SOCC geostationary satellite status<br>
&nbsp;&nbsp;&nbsp;&nbsp; <a href="http://www.oso.noaa.gov/daily-news/index.htm">http://www.oso.noaa.gov/daily-news/index.asp</a>
- SOCC morning reports
<br>
&nbsp;
<br>
&nbsp;</p>
<br>
<pre class="moz-signature" cols="72">-- 
*******************************************
*
* Emily D. Harrod
* NOAA/NESDIS/OSDPD/IPD
* Computer Operations Branch
* Pre-Product Processing Group
* E/SP11, Federal Building #4, room 0318
* 5200 Auth Road
* Suitland, Maryland  20746-4304
* USA
* voice 301-457-5247 ext 117
* fax   301-457-5199
* email <a class="moz-txt-link-abbreviated"
 href="mailto:Emily.Harrod@noaa.gov">Emily.Harrod@noaa.gov</a>
*
*******************************************</pre>
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