AVNIR Products Specifications

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CHANGE RECORD

ISSUE DATE PAGE(S) DESCRIPTION
1/0 10/05/94 All SCR #18, CR #18
First Issue
1/1 24/06/94 Appendix A
Appendix B
Appendix D SCR #27, CR #27
First Issue, First Revision
Reason For Change:
To update the document as a result of customer meetings.
Description of Change:
Changes are within the Product Order report description and the Ephemeris and Image records of the CEOS tape format specification
2/0 13/12/94 SCR #31, CR #31
Second Issue
Reason For Change:
Significant clarification and revisions required.
Description of Change:
2-1, 2-2 Added reference to D1 format specification. Clarified dates and issues on MacDonald Dettwiler documents.
3-2 Added Image Navigation report to list of report products.
4-9 Clarified that off-nadir dependency for variable pixel sizes applies to film products only. Corrected the pixel sizes. Media products are not dependent on off-nadir angle.
4-11 (Table 4-4), 4-12 (Table 4-5) Clarified the pixel sizes ranges are actual on ground.
4-12 (Table 4-6) Clarified that pixel sizes are map pixel sizes, corrected pixel sizes, and clarified off-nadir dependency applies for film products.
4-14 Added Section 4.2.3 for Image Navigation Report.
A-1 (Table A-1) Removed erroneous single quotation marks throughout.
Corrected syntax in field 11.
Corrected SNN syntax and revised presentation format in fields 13 to 31.
Deleted pixel spacing of output product (previously field 37).
Added fields 41 to 44 for incident angle.
Clarified interpretation of processed date and time (fields 45 to 47).
Enlarged field 47 (system revision).
Added new fields 53 to 75 for gain modes.
Extended values for quality evaluation (field 77).
Clarified values for orbit and attitude limit checks (fields 83 and 85).
Added fields 87 to 97 for cloud cover evaluation results.
Added fields 109, 115, 117, 119 and 123.
Enlarged fields 111 and 113.
B-2 (FigureB-1), B-3 (FigureB-2) Clarified definition of logical volume (moved location of Null Volume Directory file) and added volume label and footer files.
B-4 Reference to D1 cassette format specification for volume label and footer file added.
B-5, B-7 Tables for volume label and footer files deleted.
B-9 (Table B-5) Field 10: clarified.
Corrected fields 16 and 17 to be I8.
B-12 (Table B-6) Field 9: sensor type and processing levels clarified; path/row changed to GRS column/line.
B-14 (Table B-7) Field 14: corrected.
B-16 (Table B-8) Clarified interpretation of field 8.
B-17 (Table B-9) Field 9: sensor type and processing levels clarified; path/row changed to GRS column/line.
Field 17: clarified use of RSP ID.
Field 27: changed to 3 sensor definitions.
Field 35: clarified sensors and bands.
Field 39: corrected band efinitions.
Field 51: converted to character format.
Field 53: changed to specify level 1B2 options (previously specified correction mode).
Field 56: changed to specify correction level.
Field 70: inserted new field for product order parameters.
B-16 (Table B-10) Field 21-30: corrected wording in comments.
Inserted new fields 65 to 74.
B-30 (Table B-11) Field 18: correct bit allocations and adjusted field size accordingly.
B-32 (Table B-12) Fields 9-15: revised to match Rev 1.3 of level 0 specification.
Fields 25-45: new fields replace previous fields 25 to 33 based on level 0 format specification Rev 1.3.
B-35 (Table B-13) Field 7: clarified permissible data values.
B-36 (Table B-14) Fields 2 and 3: changed data type to integer.
B-38 (Table B-15) Added comment clarifying inclusion of Navigation Image data.
D-1, D-2 Clarified that Multispectral products consist of 3 bands and Pan products consist of 1 band.
D-1 (Figure D-1) Clarified that header record is 1024 bytes. (vs. 1000 pixels for data records)
D-2 (Table D-1) Fields 1 and 2: removed erroneous questions marks.
Fields 5-20: completely new definitions replacing previous fields 5 to 19.
Field 24: eliminated MTF as resampling method value.
Fields 26-36, 40-41: eliminated erroneous quotation marks.
Fields 37-40: clarified values.
Field 42: Browse system id replace with processing system id.
Inserted fields 45 to 52.
2/1 06/06/95 SCR #35, CR #35
Second Issue, First Revision
Reason for Change:
Updates to reflect discussions and design decisions made during implementation including the following faxes and documents: ADEOS-IMI-0118, including errata
ADEOS-IMI-0118b, ADEOS-IMI-0122, and
ADEOS-IMI-0123
ADEOS-MDA-0239 and ADEOS-NEC-135
ADEOS-MDA-0247
ADEOS-NEC-0128 / ADEOS-IMI-0093
ADEOS-MDA-0252
2-1, 2-2 Added reference to AVNIR Telemetry definition document.
Table 4-2 Adjusted off-nadir angles which determine film product pixel sizes.
4-3 Clarified that multispectral radiometrically raw products may be 7-bit or 8-bit.
4-3, Table 4-6, Table 4-7 Corrected that all AVNIR products are 80 km x 80 km
Table A-1 (Product Order Results) Inserted new field 41 (off-nadir angle) and renumbered subsequent fields.
Fields 43 and 45: Names and lengths changed to match browse header.
Fields 51, 113, 115: Version identifications set to asterisks.
Field 125: Clarified total files is number of CEOS files.
Figure A-1 New example using field names more appropriate to AAPS.
Figure A-2 Add Image Navigation Processing Report.
Table B-3 Length of ephemeris ancillary record corrected to 4680 bytes
Table B-4 (Volume Descriptor Record) Fields 9-11: Clarified use of specification and revision fields to refer to this document.
Field 13: Revised Tape ID to include location, sensor, and volume number information.
Field 20: added new value for Null Volume descriptor.
Field 26: Modified facility name to EOC-ADEOSDPS.
Field 10-12: changed file type and class from IMOP (IMAGERY OPTIONS) to IMGY (IMAGERY).
Table B-5 (File Pointer Record) Field 10: Clarified mapping of data types 0-3 onto product levels 1A, 1B1, and 1B2.
Table B-6 (TextRecord) Field 10: Modified facility name to EOC-ADEOSDPS.
Field 15: Corrected length.
B-16 Added clarification note with respect to Common File Descriptor Record to describe use of system parameters for format manual and revisions.
Table B-8 (Leader File Descriptor Record) Fields 8-16, 18: Expanded definition of locator fields into constituent parts (no change in content).
Table B-9 (Scene Header Record) Field 24: changed from blank to Orientation Angle.
Field 25: changed from blank to Incident Angle.
Field 30: changed from blank to Pointing Angle.
Fields 37 & 53: changed processing options from lower case to upper case, and made them left justified (instead of position sensitive).
Fields 54-55: Revised flag position definitions for resampling method and map projection method.
Field 56: Clarified mapping of correction level 0-3 onto product levels 1A, 1B1, and 1B2.
Field 70, 71: Adjusted for revised length of SMC Product Order message.
B-29 Added clarification note with respect to Scene Header record to describe positioning of tick marks.
Table B-10 (Map Projection Ancillary Record) Fields 66-74: Changed from character Projection Ancillary format to correct floating point format.
Table B-11 (Radiometric Ancillary Record) Field 7: Added Sensor Operating Mode (changed from blank).
Fields 10-15: Added Exposure Coefficients (changed from blank).
Field 18: Increased size and changed to character based definition from bit-wise definition in order to be consistent with other sensors.
Field 20: Delete ID for the first minor frame of telemetry and replaced with blank. Reduced size to accommodate increased size of field 18.
Table B-12 (Ephemeris Ancillary Record) Fields 7,8: Deleted Segment number and Orbit accuracy ID and replaced with blank.
Table B-14 (Image File Descriptor Record) Field 20: Increased size to 8 bytes to allow for larger image record length.
Field 21: Number of bytes of suffix data per record changed from 0 to 268.
Field 40: Blank fill changed to variable length definition to match Image Record size.
Table D-1 (Subsampled Imagery Header Record) Header record completely redefined.
3/0 11/30/95 SCR #46, CR #46
Third Issue
Reason for Change:
To update the document as a result of ECP enhancements.
Description of Change:
Acronyms Added HIS definition.
Section 1.4 Refer to new histogram appendix.
Section 2.1 Added new ECP references and updated existing references.
Section 3.1 Include new histogram product file.
Section 4.1.1.1 Use the correct path and frame number terminology to represent output scenes.
Section 4.1.4.3 Changed Satellite Heading to Effective Scene Heading because this
Tables 4-4 to 4-7 is the required orientation angle.
Section 4.1.4.4 Changed off-nadir pointing angle to off-nadir mirror pointing angle to be more specific.
Table 4-7 Updated for Mu/Pan HIS Merged.
Section 4.2.3 Added satellite, sensor, observation date to NAV report.
Section A.1.2 Clarified PO report for Mu/Pan HIS Merged.
Table A-1 Updated and clarified to reflect changes made as per NECs request.This table is now consistent with NECs request for changes to match Revision H specification.
A-6 (Table A-1) I & Q Gain modes are now one gain mode for each band. Q band gain modes were deleted.
A-8 (Table A-1) Added in fields for the exposure coefficients for each band after the saturation percentages fields section.
Section A-3 Correct the figure number for the image navigation processing report.
A-9 (Table A-1) Clarify field #107 Database version for correction and field #109 system version.
A-10 (Table A-1) Clarify field #117 start position of recording.
A-11 (Figure A-1) The figure has the more up to date/ correct representation of the product order execution log.
A-12 (Figure A-2) The image navigation processing report was updated with its correct numerical format and display representation.
Section B.3 Clarified by using bandList instead of specific band numbers.
B-2 (Figure B-1) Clarified description of file record arrangement for BSQ formatted product using the bandList. The number of file pointers depends on the number of bands in the list and not on the specific band number. Also clarified the number of ancillary records for Mu/Pan HIS Merged products.
B-3 (Figure B-2) Clarified description of file record arrangement for BIL formatted product using the bandList of m bands to determine how many records there are in the image and trailer files. Also clarified the number of ancillary records for Mu/Pan HIS Merged products.
Tables B-5 through B-13 Updated for Mu/Pan HIS Merged ECP changes and bandList clarification.
Clarified the usage of the second Ancillary 4 record - for Mu/Pan HIS Merged products only.
B-9 (Table B-4) Updated field #26 with the correct description since there are no blanks possible in this field.
Updated fields #27 and #28 descriptions to show the correct maximum values possible for the number of file pointer records and number of records respectively in the volume directory file.
B-10 Added extra line above Table B-5.
B-10 (Table B-5) Updated field #1 description to show the correct maximum value possible for the record number .
B-11 (Table B-5) Mu/Pan HIS changes. Field #10 Sensor type description for AVC is updated, band number description is changed to Band and a note is added to explain that the band values are those of the multi-spectral image for a Mu/Pan HIS Merged product .
B-12 (Table B-5) Updated field#15 for Mu/Pan HIS Merged products. The number of leader records is normally 6 but is 7 for HIS products. A note explaining this is appended to the description.
B-13 (Table B-6) Updated field#1 description to show the correct maximum value possible for the text record number. Product type Field#9 description is updated for Mu/Pan HIS Merged products.
B-15 (Table B-7) Field #13, the file number is described using bandList.
B-15 Sentence deleted since HIS ECP resolved
B-17~30, 32~44 (Table B-8~12) Added sentences above tables to clarify underlying assumption that in the case of Mu/Pan HIS Merged products, the record reports information corresponding to the multi-spectral image unless stated specifically.
B-17 (Table B-8) Updated the description for field#4 to explain the number of ancillary records for the normal case and for the Mu/Pan HIS Merged product case.
B-20 (Table B-9) Updated Product ID description in field#9 for Mu/Pan HIS Merged products.
B-22 (Table B-9) Added a reference to a new figure and corrected the format description for field#24.
Corrected the format description for the maximum incident angle field#25.
Update sensor ID description field#27 for Mu/Pan HIS Merged products.
Made field#30 description more specific for the off-nadir mirror pointing angle and corrected its format description.
Added a new field#31 compression mode which uses 1 byte from the 12-byte blank field which existed before. Field#32 now has only 11 blank bytes.
B-23 (Table B-9) Updated field#36 format description for kind of sensor and spectrum band identification and for Mu/Pan HIS Merged products.
B-24 (Table B-9) Updated field#38 processing code options description for Mu/Pan HIS Merged product.
B-26 (Table B-9) Added more tick marks description for UTM, PS and SOM map projections for fields#42~#45.
B-27 (Table B-9) emoved a blank space from the line Unused tick mark data line.
B-27 (Table B-9) fields 42 to 45 Changed number of upper and lower tick marks from 11 to 15, and number of left and right tick marks from 11 to 7.
B-27 (Table B-9) Corrected and updated field#47s description for the number of effective bands which should be shown by field#61 and which is always 5.
B-28 (Table B-9) Updated description of field#54 description so that list of 1B2 options includes the C option for Mu/Pan HIS Merged products.
B-29 (Table B-9) Added more explanation for field#61effective band.
B-29 (Table B-9) Added new fields#73~79 for Mu/Pan HIS Merged products which contains information relevant only to the Pan image. Fields include the scene centre ID, orientation angle, incident angle, RSP orbit number, orbit direction, off-nadir mirror pointing angle and the sun angle.
B-30 Updated the description in the clarification of the tick mark locations for the Scene Header record.
B-31 (Figure B-3) Added figure to show the definition of the orientation angles found in the scene header and map projection ancillary records.
B-32 (Table B-10) Updated description to state that fields#7~#11 are blank for 1B2 processing level products.
Added reference in field#11 to Figure B-3 in description of image skew.
Updated description to state that fields#12~#20 are blank for non 1B2-UTM map projection products.
B-33 (Table B-10) Added reference in field#20 to Figure B-3 for the angle between the map projection axis and the true north.
Updated description to state that fields#21~#27 are blank for non 1B2-SOM map projection products.
B-34 (Table B-10) Added reference in field#27 to Figure B-3 for the angle between the map projection axis and the true north.
Updated description to state that fields#28~#38 are blank for non 1B2-PS map projection products.
B-35 (Table B-10) Added reference to Figure B-3 in fields#38,#46,#51 to Figure B-3 for the angle between the map projection axis and the true north.Updated description to state that fields#39-#46 are blank for 1A and 1B1 processing level products.
B-36 (Table B-10) Removed blank space from the line.
B-37 (Table B-10) Updated fields#70~#73 to state they are blank for 1A, 1B1 products.Added more to description of output rotation angle in field#74 i.e. measured from the True North
B-38 (Table B-11) (Radiometric Ancillary Record) Removed a blank space from the exposure coefficients description.
Fields 10-15: Enlarged from 4 bytes to 5 bytes each to allow for the value 10000.
Fields 16 and 17 reduced to prevent impact on rest of record.
B-39 (Table B-11) Corrected format for sensor gains description in field#18Added field#19 for compression mode and decreased size of blank field by 1 and merged with second blank field of 2 bytes.
Added band number for AVNIR Mul detector temps in fields#22-#25.
B-40 (Table B-11) Added a general description for fields#34~#38 and used an updated description for each field.
B-40 Removed a blank space in the line.
B-41 (Table B-12) Field#1 was changed incorrectly. Its value is 5 always.Added statement that unused orbit data sets have the time field set to blanks.
B-42 (Table B-12) Corrected description o fields#13~15 as satellite speed component values do not include earth rotation velocity.Corrected the data type units to be F8.5 for the roll, pitch and yaw fields (Fields # 20-22).
B-43 (Table B-12) Added units to fields 40-45.
B-45 (Table B-13) Clarified usage of telemetry ancillary record.
B-48 (Table B-15) Removed a blank space in description of field#9.
B-49 (Table B-15) Updated general description for navigational image data to say raw (uncorrected) imagery.
Figures C-1, C-2 Updated to new CEOS file naming convention.
Section D.2 Updated for Mu/Pan HIS Merged product.
Table D-1 Updated for Mu/Pan HIS Merged product subsampled imagery file header fields #4, #43.
Field #19, off-nadir pointing changed off-nadir mirror pointing angle to be more specific.
Field #20, corrected format description for lower bound.
Appendix E Added description of new Histogram data file.
3/1 12/01/96 SCR #50, CR #50
Third Issue, First Revision
Table B-9 Clarified field 28 - number of orbits since launch
Clarified field 38 - order is fixed at GDIFC.
3/2 17/01/96 SCR #53, CR #53
Third Issue, Second Revision
x to xvii Updated change record for 3/0, 3/1 in response to the customer requests.
4-11 (Table 4-4) Changed off-nadir pointing angle to off-nadir mirror pointing angle to be more specific.
4-11 (Table 4-5) Added line in the description of the pixel size which states that it is variable depending on the off-nadir mirror pointing angle
4-12(Table 4-6) Changed off-nadir pointing angle to off-nadir mirror pointing angle to be more specific
B-10(Table B-5) Updated field#9 with correct maximum value possible for the file number of the file pointer record.
B-12(Table B-5) Updated field#15 description. Corrected the maximum possible value for the file pointer record number in the leader, image and trailer files for the BSQ product format.
B-30(Table B-9) Added field#80 for HIS Panchromatic band scene center time to scene header record table.Updated bytes numbers for field #81
B-30 and 31 Corrected Tick Mark Location clarification paragraph to be consistent with Tick Mark Field description B-26, 27.
B-32 to 39 Re-pagination
B-40 (Table B-11) Correct fields#23~24 byte numbers.
B-41 Corrected spelling errors in the Clarification description paragraph for the Radiometric Ancillary Record.
B-42 (Table B-12) Updated field#1 to have the correct value for the record number of the ephemeris ancillary record.
B-43 to 52 Re-pagination
C-2 (Figure C-1) Figure was corrected to put the leader and image files in the correct relative positions and used band list notation file numbering.
D-4 (Table D-1) Corrected the angle of orientation format for the lower bound in field #21.
3/3 16/02/96 SCR #59, CR #59
Third Issue, Third Revision
Reason for Change:
Clarification of issues raised by NEC.
Description of Change:
A-5 (Table A-1) Changed off-nadir pointing angle to off-nadir mirror pointing angle to be more specific.
B-22, B-23, B-30 (Table B-9) Field #s: 25, 37, 75, 79. Clarified the incident angle and sun angles - these are measured at the product scene centre..
B-22, B-30 (Table B-9) Fields 28, 76. Clarified the RSP Orbit Number - this is what NASDA calls the Calculated Orbit Number.
B-26(Table B-9) Updated definition of SOM tick mark information to include signs.
B-26, B-27(Table B-9) Clarified the meaning of tick mark spacing.
B-32 Added reference fields numbers to the angle definition described in Figure B-3.
B-35 (Table B-10) Corrected typo - offsets are relative to GRS center, not RSP center.
B-47(Table B-14) Clarified the meaning of field #19 - changed prefix to record header which includes both the record information and prefix data.
B-49, B-50 (Table B-15) Clarified the meaning of fields #13 to #26 - if the field is not applicable to the product type, then the field is filled in with binary0.
B-51(Table B-16) Removed field #5 - the Quality display summarizing count locator because it does not point to anything.
3/4 28/03/96 SCR #62, CR #62
Third Issue, Fourth Revision
Reason for Change:
Clarification of issues raised by NEC, IMI and MDA.
Description of Change:
B-1 Added references to new figures for Mu/Pan HIS Merged products.
Figures B-1, B-2 Removed references to Mu/Pan HIS Merged products.
Figures B-3, B-4 Created two new figures showing the layout of the special case for Mu/Pan HIS Merged products, giving both the BSQ and BIL formats.
B-6 Added references to product layout figures.
Table B-9, Field 24 Removed incorrect reference to figure B-3.
Table B-9, Fields 73 to 80 Made the comment between fields 72 and 73 more specific by listing the applicable fields.
B-35 to B-38 Updated figure references which have changed as a result of inserting Figures B-3 and B-4.
B-39 to B-54 Repagination.

Go back to AVNIR Products Specification - Table of Contents

ISSUE	DATE	PAGE(S)	DESCRIPTION
1/0	10/05/94	All	SCR #18, CR #18 First Issue
1/1	24/06/94	Appendix A Appendix B Appendix D	SCR #27, CR #27 First Issue, First Revision Reason For Change: To update the document as a result of customer meetings. Description of Change: Changes are within the Product Order report description and the Ephemeris and Image records of the CEOS tape format specification
2/0	13/12/94		SCR #31, CR #31 Second Issue Reason For Change: Significant clarification and revisions required. Description of Change:
2-1, 2-2	Added reference to D1 format specification. Clarified dates and issues on MacDonald Dettwiler documents.
3-2	Added Image Navigation report to list of report products.
4-9	Clarified that off-nadir dependency for variable pixel sizes applies to film products only. Corrected the pixel sizes. Media products are not dependent on off-nadir angle.
4-11 (Table 4-4), 4-12 (Table 4-5)	Clarified the pixel sizes ranges are actual on ground.
4-12 (Table 4-6)	Clarified that pixel sizes are map pixel sizes, corrected pixel sizes, and clarified off-nadir dependency applies for film products.
4-14	Added Section 4.2.3 for Image Navigation Report.
A-1 (Table A-1)	Removed erroneous single quotation marks throughout. Corrected syntax in field 11. Corrected SNN syntax and revised presentation format in fields 13 to 31. Deleted pixel spacing of output product (previously field 37). Added fields 41 to 44 for incident angle. Clarified interpretation of processed date and time (fields 45 to 47). Enlarged field 47 (system revision). Added new fields 53 to 75 for gain modes. Extended values for quality evaluation (field 77). Clarified values for orbit and attitude limit checks (fields 83 and 85). Added fields 87 to 97 for cloud cover evaluation results. Added fields 109, 115, 117, 119 and 123. Enlarged fields 111 and 113.
B-2 (FigureB-1), B-3 (FigureB-2)	Clarified definition of logical volume (moved location of Null Volume Directory file) and added volume label and footer files.
B-4	Reference to D1 cassette format specification for volume label and footer file added.
B-5, B-7	Tables for volume label and footer files deleted.
B-9 (Table B-5)	Field 10: clarified. Corrected fields 16 and 17 to be I8.
B-12 (Table B-6)	Field 9: sensor type and processing levels clarified; path/row changed to GRS column/line.
B-14 (Table B-7)	Field 14: corrected.
B-16 (Table B-8)	Clarified interpretation of field 8.
B-17 (Table B-9)	Field 9: sensor type and processing levels clarified; path/row changed to GRS column/line. Field 17: clarified use of RSP ID. Field 27: changed to 3 sensor definitions. Field 35: clarified sensors and bands. Field 39: corrected band efinitions. Field 51: converted to character format. Field 53: changed to specify level 1B2 options (previously specified correction mode). Field 56: changed to specify correction level. Field 70: inserted new field for product order parameters.
B-16 (Table B-10)	Field 21-30: corrected wording in comments. Inserted new fields 65 to 74.
B-30 (Table B-11)	Field 18: correct bit allocations and adjusted field size accordingly.
B-32 (Table B-12)	Fields 9-15: revised to match Rev 1.3 of level 0 specification. Fields 25-45: new fields replace previous fields 25 to 33 based on level 0 format specification Rev 1.3.
B-35 (Table B-13)	Field 7: clarified permissible data values.
B-36 (Table B-14)	Fields 2 and 3: changed data type to integer.
B-38 (Table B-15)	Added comment clarifying inclusion of Navigation Image data.
D-1, D-2	Clarified that Multispectral products consist of 3 bands and Pan products consist of 1 band.
D-1 (Figure D-1)	Clarified that header record is 1024 bytes. (vs. 1000 pixels for data records)
D-2 (Table D-1)	Fields 1 and 2: removed erroneous questions marks. Fields 5-20: completely new definitions replacing previous fields 5 to 19. Field 24: eliminated MTF as resampling method value. Fields 26-36, 40-41: eliminated erroneous quotation marks. Fields 37-40: clarified values. Field 42: Browse system id replace with processing system id. Inserted fields 45 to 52.
2/1	06/06/95		SCR #35, CR #35 Second Issue, First Revision Reason for Change: Updates to reflect discussions and design decisions made during implementation including the following faxes and documents: ADEOS-IMI-0118, including errata ADEOS-IMI-0118b, ADEOS-IMI-0122, and ADEOS-IMI-0123 ADEOS-MDA-0239 and ADEOS-NEC-135 ADEOS-MDA-0247 ADEOS-NEC-0128 / ADEOS-IMI-0093 ADEOS-MDA-0252
2-1, 2-2	Added reference to AVNIR Telemetry definition document.
Table 4-2	Adjusted off-nadir angles which determine film product pixel sizes.
4-3	Clarified that multispectral radiometrically raw products may be 7-bit or 8-bit.
4-3, Table 4-6, Table 4-7	Corrected that all AVNIR products are 80 km x 80 km
Table A-1 (Product Order Results)	Inserted new field 41 (off-nadir angle) and renumbered subsequent fields. Fields 43 and 45: Names and lengths changed to match browse header. Fields 51, 113, 115: Version identifications set to asterisks. Field 125: Clarified total files is number of CEOS files.
Figure A-1	New example using field names more appropriate to AAPS.
Figure A-2	Add Image Navigation Processing Report.
Table B-3	Length of ephemeris ancillary record corrected to 4680 bytes
Table B-4 (Volume Descriptor Record)	Fields 9-11: Clarified use of specification and revision fields to refer to this document. Field 13: Revised Tape ID to include location, sensor, and volume number information. Field 20: added new value for Null Volume descriptor. Field 26: Modified facility name to EOC-ADEOSDPS. Field 10-12: changed file type and class from IMOP (IMAGERY OPTIONS) to IMGY (IMAGERY).
Table B-5 (File Pointer Record)	Field 10: Clarified mapping of data types 0-3 onto product levels 1A, 1B1, and 1B2.
Table B-6 (TextRecord)	Field 10: Modified facility name to EOC-ADEOSDPS. Field 15: Corrected length.
B-16	Added clarification note with respect to Common File Descriptor Record to describe use of system parameters for format manual and revisions.
Table B-8 (Leader File Descriptor Record)	Fields 8-16, 18: Expanded definition of locator fields into constituent parts (no change in content).
Table B-9 (Scene Header Record)	Field 24: changed from blank to Orientation Angle. Field 25: changed from blank to Incident Angle. Field 30: changed from blank to Pointing Angle. Fields 37 & 53: changed processing options from lower case to upper case, and made them left justified (instead of position sensitive). Fields 54-55: Revised flag position definitions for resampling method and map projection method. Field 56: Clarified mapping of correction level 0-3 onto product levels 1A, 1B1, and 1B2. Field 70, 71: Adjusted for revised length of SMC Product Order message.
B-29	Added clarification note with respect to Scene Header record to describe positioning of tick marks.
Table B-10 (Map Projection Ancillary Record)	Fields 66-74: Changed from character Projection Ancillary format to correct floating point format.
Table B-11 (Radiometric Ancillary Record)	Field 7: Added Sensor Operating Mode (changed from blank). Fields 10-15: Added Exposure Coefficients (changed from blank). Field 18: Increased size and changed to character based definition from bit-wise definition in order to be consistent with other sensors. Field 20: Delete ID for the first minor frame of telemetry and replaced with blank. Reduced size to accommodate increased size of field 18.
Table B-12 (Ephemeris Ancillary Record)	Fields 7,8: Deleted Segment number and Orbit accuracy ID and replaced with blank.
Table B-14 (Image File Descriptor Record)	Field 20: Increased size to 8 bytes to allow for larger image record length. Field 21: Number of bytes of suffix data per record changed from 0 to 268. Field 40: Blank fill changed to variable length definition to match Image Record size.
Table D-1 (Subsampled Imagery Header Record)	Header record completely redefined.
3/0	11/30/95		SCR #46, CR #46 Third Issue Reason for Change: To update the document as a result of ECP enhancements. Description of Change:
Acronyms	Added HIS definition.
Section 1.4	Refer to new histogram appendix.
Section 2.1	Added new ECP references and updated existing references.
Section 3.1	Include new histogram product file.
Section 4.1.1.1	Use the correct path and frame number terminology to represent output scenes.
Section 4.1.4.3	Changed Satellite Heading to Effective Scene Heading because this
Tables 4-4 to 4-7	is the required orientation angle.
Section 4.1.4.4	Changed off-nadir pointing angle to off-nadir mirror pointing angle to be more specific.
Table 4-7	Updated for Mu/Pan HIS Merged.
Section 4.2.3	Added satellite, sensor, observation date to NAV report.
Section A.1.2	Clarified PO report for Mu/Pan HIS Merged.
Table A-1	Updated and clarified to reflect changes made as per NECs request.This table is now consistent with NECs request for changes to match Revision H specification.
A-6 (Table A-1)	I & Q Gain modes are now one gain mode for each band. Q band gain modes were deleted.
A-8 (Table A-1)	Added in fields for the exposure coefficients for each band after the saturation percentages fields section.
Section A-3	Correct the figure number for the image navigation processing report.
A-9 (Table A-1)	Clarify field #107 Database version for correction and field #109 system version.
A-10 (Table A-1)	Clarify field #117 start position of recording.
A-11 (Figure A-1)	The figure has the more up to date/ correct representation of the product order execution log.
A-12 (Figure A-2)	The image navigation processing report was updated with its correct numerical format and display representation.
Section B.3	Clarified by using bandList instead of specific band numbers.
B-2 (Figure B-1)	Clarified description of file record arrangement for BSQ formatted product using the bandList. The number of file pointers depends on the number of bands in the list and not on the specific band number. Also clarified the number of ancillary records for Mu/Pan HIS Merged products.
B-3 (Figure B-2)	Clarified description of file record arrangement for BIL formatted product using the bandList of m bands to determine how many records there are in the image and trailer files. Also clarified the number of ancillary records for Mu/Pan HIS Merged products.
Tables B-5 through B-13	Updated for Mu/Pan HIS Merged ECP changes and bandList clarification. Clarified the usage of the second Ancillary 4 record - for Mu/Pan HIS Merged products only.
B-9 (Table B-4)	Updated field #26 with the correct description since there are no blanks possible in this field. Updated fields #27 and #28 descriptions to show the correct maximum values possible for the number of file pointer records and number of records respectively in the volume directory file.
B-10	Added extra line above Table B-5.
B-10 (Table B-5)	Updated field #1 description to show the correct maximum value possible for the record number .
B-11 (Table B-5)	Mu/Pan HIS changes. Field #10 Sensor type description for AVC is updated, band number description is changed to Band and a note is added to explain that the band values are those of the multi-spectral image for a Mu/Pan HIS Merged product .
B-12 (Table B-5)	Updated field#15 for Mu/Pan HIS Merged products. The number of leader records is normally 6 but is 7 for HIS products. A note explaining this is appended to the description.
B-13 (Table B-6)	Updated field#1 description to show the correct maximum value possible for the text record number. Product type Field#9 description is updated for Mu/Pan HIS Merged products.
B-15 (Table B-7)	Field #13, the file number is described using bandList.
B-15	Sentence deleted since HIS ECP resolved
B-17~30, 32~44 (Table B-8~12)	Added sentences above tables to clarify underlying assumption that in the case of Mu/Pan HIS Merged products, the record reports information corresponding to the multi-spectral image unless stated specifically.
B-17 (Table B-8)	Updated the description for field#4 to explain the number of ancillary records for the normal case and for the Mu/Pan HIS Merged product case.
B-20 (Table B-9)	Updated Product ID description in field#9 for Mu/Pan HIS Merged products.
B-22 (Table B-9)	Added a reference to a new figure and corrected the format description for field#24. Corrected the format description for the maximum incident angle field#25. Update sensor ID description field#27 for Mu/Pan HIS Merged products. Made field#30 description more specific for the off-nadir mirror pointing angle and corrected its format description. Added a new field#31 compression mode which uses 1 byte from the 12-byte blank field which existed before. Field#32 now has only 11 blank bytes.
B-23 (Table B-9)	Updated field#36 format description for kind of sensor and spectrum band identification and for Mu/Pan HIS Merged products.
B-24 (Table B-9)	Updated field#38 processing code options description for Mu/Pan HIS Merged product.
B-26 (Table B-9)	Added more tick marks description for UTM, PS and SOM map projections for fields#42~#45.
B-27 (Table B-9)	emoved a blank space from the line Unused tick mark data line.
B-27 (Table B-9) fields 42 to 45	Changed number of upper and lower tick marks from 11 to 15, and number of left and right tick marks from 11 to 7.
B-27 (Table B-9)	Corrected and updated field#47s description for the number of effective bands which should be shown by field#61 and which is always 5.
B-28 (Table B-9)	Updated description of field#54 description so that list of 1B2 options includes the C option for Mu/Pan HIS Merged products.
B-29 (Table B-9)	Added more explanation for field#61effective band.
B-29 (Table B-9)	Added new fields#73~79 for Mu/Pan HIS Merged products which contains information relevant only to the Pan image. Fields include the scene centre ID, orientation angle, incident angle, RSP orbit number, orbit direction, off-nadir mirror pointing angle and the sun angle.
B-30	Updated the description in the clarification of the tick mark locations for the Scene Header record.
B-31 (Figure B-3)	Added figure to show the definition of the orientation angles found in the scene header and map projection ancillary records.
B-32 (Table B-10)	Updated description to state that fields#7~#11 are blank for 1B2 processing level products. Added reference in field#11 to Figure B-3 in description of image skew. Updated description to state that fields#12~#20 are blank for non 1B2-UTM map projection products.
B-33 (Table B-10)	Added reference in field#20 to Figure B-3 for the angle between the map projection axis and the true north. Updated description to state that fields#21~#27 are blank for non 1B2-SOM map projection products.
B-34 (Table B-10)	Added reference in field#27 to Figure B-3 for the angle between the map projection axis and the true north. Updated description to state that fields#28~#38 are blank for non 1B2-PS map projection products.
B-35 (Table B-10)	Added reference to Figure B-3 in fields#38,#46,#51 to Figure B-3 for the angle between the map projection axis and the true north.Updated description to state that fields#39-#46 are blank for 1A and 1B1 processing level products.
B-36 (Table B-10)	Removed blank space from the line.
B-37 (Table B-10)	Updated fields#70~#73 to state they are blank for 1A, 1B1 products.Added more to description of output rotation angle in field#74 i.e. measured from the True North
B-38 (Table B-11) (Radiometric Ancillary Record)	Removed a blank space from the exposure coefficients description. Fields 10-15: Enlarged from 4 bytes to 5 bytes each to allow for the value 10000. Fields 16 and 17 reduced to prevent impact on rest of record.
B-39 (Table B-11)	Corrected format for sensor gains description in field#18Added field#19 for compression mode and decreased size of blank field by 1 and merged with second blank field of 2 bytes. Added band number for AVNIR Mul detector temps in fields#22-#25.
B-40 (Table B-11)	Added a general description for fields#34~#38 and used an updated description for each field.
B-40	Removed a blank space in the line.
B-41 (Table B-12)	Field#1 was changed incorrectly. Its value is 5 always.Added statement that unused orbit data sets have the time field set to blanks.
B-42 (Table B-12)	Corrected description o fields#13~15 as satellite speed component values do not include earth rotation velocity.Corrected the data type units to be F8.5 for the roll, pitch and yaw fields (Fields # 20-22).
B-43 (Table B-12)	Added units to fields 40-45.
B-45 (Table B-13)	Clarified usage of telemetry ancillary record.
B-48 (Table B-15)	Removed a blank space in description of field#9.
B-49 (Table B-15)	Updated general description for navigational image data to say raw (uncorrected) imagery.
Figures C-1, C-2	Updated to new CEOS file naming convention.
Section D.2	Updated for Mu/Pan HIS Merged product.
Table D-1	Updated for Mu/Pan HIS Merged product subsampled imagery file header fields #4, #43. Field #19, off-nadir pointing changed off-nadir mirror pointing angle to be more specific. Field #20, corrected format description for lower bound.
Appendix E	Added description of new Histogram data file.
3/1	12/01/96		SCR #50, CR #50 Third Issue, First Revision
Table B-9	Clarified field 28 - number of orbits since launch Clarified field 38 - order is fixed at GDIFC.
3/2	17/01/96		SCR #53, CR #53 Third Issue, Second Revision
x to xvii	Updated change record for 3/0, 3/1 in response to the customer requests.
4-11 (Table 4-4)	Changed off-nadir pointing angle to off-nadir mirror pointing angle to be more specific.
4-11 (Table 4-5)	Added line in the description of the pixel size which states that it is variable depending on the off-nadir mirror pointing angle
4-12(Table 4-6)	Changed off-nadir pointing angle to off-nadir mirror pointing angle to be more specific
B-10(Table B-5)	Updated field#9 with correct maximum value possible for the file number of the file pointer record.
B-12(Table B-5)	Updated field#15 description. Corrected the maximum possible value for the file pointer record number in the leader, image and trailer files for the BSQ product format.
B-30(Table B-9)	Added field#80 for HIS Panchromatic band scene center time to scene header record table.Updated bytes numbers for field #81
B-30 and 31	Corrected Tick Mark Location clarification paragraph to be consistent with Tick Mark Field description B-26, 27.
B-32 to 39	Re-pagination
B-40 (Table B-11)	Correct fields#23~24 byte numbers.
B-41	Corrected spelling errors in the Clarification description paragraph for the Radiometric Ancillary Record.
B-42 (Table B-12)	Updated field#1 to have the correct value for the record number of the ephemeris ancillary record.
B-43 to 52	Re-pagination
C-2 (Figure C-1)	Figure was corrected to put the leader and image files in the correct relative positions and used band list notation file numbering.
D-4 (Table D-1)	Corrected the angle of orientation format for the lower bound in field #21.
3/3	16/02/96		SCR #59, CR #59 Third Issue, Third Revision Reason for Change: Clarification of issues raised by NEC. Description of Change:
A-5 (Table A-1)	Changed off-nadir pointing angle to off-nadir mirror pointing angle to be more specific.
B-22, B-23, B-30 (Table B-9)	Field #s: 25, 37, 75, 79. Clarified the incident angle and sun angles - these are measured at the product scene centre..
B-22, B-30 (Table B-9)	Fields 28, 76. Clarified the RSP Orbit Number - this is what NASDA calls the Calculated Orbit Number.
B-26(Table B-9)	Updated definition of SOM tick mark information to include signs.
B-26, B-27(Table B-9)	Clarified the meaning of tick mark spacing.
B-32	Added reference fields numbers to the angle definition described in Figure B-3.
B-35 (Table B-10)	Corrected typo - offsets are relative to GRS center, not RSP center.
B-47(Table B-14)	Clarified the meaning of field #19 - changed prefix to record header which includes both the record information and prefix data.
B-49, B-50 (Table B-15)	Clarified the meaning of fields #13 to #26 - if the field is not applicable to the product type, then the field is filled in with binary0.
B-51(Table B-16)	Removed field #5 - the Quality display summarizing count locator because it does not point to anything.
3/4	28/03/96		SCR #62, CR #62 Third Issue, Fourth Revision Reason for Change: Clarification of issues raised by NEC, IMI and MDA. Description of Change:
B-1	Added references to new figures for Mu/Pan HIS Merged products.
Figures B-1, B-2	Removed references to Mu/Pan HIS Merged products.
Figures B-3, B-4	Created two new figures showing the layout of the special case for Mu/Pan HIS Merged products, giving both the BSQ and BIL formats.
B-6	Added references to product layout figures.
Table B-9, Field 24	Removed incorrect reference to figure B-3.
Table B-9, Fields 73 to 80	Made the comment between fields 72 and 73 more specific by listing the applicable fields.
B-35 to B-38	Updated figure references which have changed as a result of inserting Figures B-3 and B-4.
B-39 to B-54	Repagination.

Earth Observation Research Center
Last Update: 02 July 1998

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