Table 8.3.1.4.3.2-1. Format of GAC data record for NOAA-N (Version 4,
post-April 28, 2005, all spacecraft).
| Field Name |
Start Octet |
End Octet |
Data Type |
Word Size |
Number of Words |
Scale Factor |
Units |
Notes |
Id |
| SCAN LINE INFORMATION |
| Scan Line Number (cumulative, starting with 1; range: 0 - 65,535) |
1 |
2 |
u |
2 |
1 |
0 |
|
|
avh_scnlin |
| Scan Line Year (e.g., 1999) |
3 |
4 |
u |
2 |
1 |
0 |
|
|
avh_scnlinyr |
| Scan Line Day of Year (e.g., 365) |
5 |
6 |
u |
2 |
1 |
0 |
|
|
avh_scnlindy |
| Satellite Clock Drift Delta |
7 |
8 |
i |
2 |
1 |
0 |
milliseconds |
|
avh_clockdrift |
| Scan Line UTC Time of Day |
9 |
12 |
u |
4 |
1 |
0 |
milliseconds |
|
avh_scnlintime |
Scan Line Bit Field
bit 15: satellite direction (0=northbound; 1=southbound)
bit 14: clock drift correction (0=not corrected; 1=scan time corrected bits 13-2: <zero fill>
bits 1-0: channel 3 select (0=3B; 1=3A; 2=transition)
|
13 |
14 |
u |
2 |
1 |
0 |
|
|
avh_scnlinbit |
| <zero fill> |
15 |
24 |
i |
2 |
5 |
0 |
|
|
avh_filler0 |
| QUALITY INDICATORS |
Quality Indicator Bit Field (If a bit is on (=1), the statement is true.)
bit 31: do not use scan for product generation
bit 30: time sequence error detected within this scan (see below)
bit 29: data gap precedes this scan
bit 28: insufficient data for calibration (see below)
bit 27: earth location data not available (see below)
bit 26: first good time following a clock update (nominally 0)
bit 25: instrument status changed with this scan
bit 24: sync lock dropped during this frame (NOAA) or (MetOp)
bit 23: frame sync word has errors (NOAA) or (MetOp)
bit 22: frame sync returned to lock (NOAA) or (MetOp)
bit 21: frame sync word not valid (NOAA) or (MetOp)
bit 20: bit slip occurred during this frame (NOAA) or (MetOp)
bits 19-9:
bit 8: TIP parity error detected
bits 7-6: reflected sunlight detected ch 3B (0=no anomaly;
1=anomaly; 3=unsure)
bits 5-4: reflected sunlight detected ch 4 (0=no anomaly; 1=anomaly;
3=unsure)
bits 3-2: reflected sunlight detected ch 5 (0=no anomaly; 1=anomaly;
3=unsure)
bit 1: resync occurred on this frame (NOAA) or <zero fill>(MetOp)
bit 0: pseudonoise occurred on this frame (NOAA) or <zero fill> (MetOp) |
25 |
28 |
u |
4 |
1 |
0 |
|
|
avh_qualind |
| Scan Line Quality Flags [<Reserved>] (zero fill) |
29 |
29 |
u |
1 |
1 |
0 |
|
|
avh_scnlinqual |
Scan Line Quality Flags [Time Problem Code] (If a bit is on (=1),
the statement is true. All bits off implies the scan time is as
expected.)
bit 7: time field is bad but can probably be inferred from the previous
good time
bit 6: time field is bad and can't be inferred from the previous good time
bit 5: this record starts a sequence that is inconsistent with previous
times (i.e., there is a time discontinuity). This may be associated
with a spacecraft clock update. (See bit 26, Quality Indicator Bit Field.)
bit 4: start of a sequence that apparently repeats scan times that have
been previously accepted
bits 3-0: <zero fill> |
30 |
30 |
u |
1 |
1 |
0 |
|
|
avh_scnlinqual_t |
Scan Line Quality Flags [Calibration Problem Code] (If a bit is on
(=1), the statement is true. These bits complement the channel
indicators; all bits set to 0 indicates normal calibration.)
bit 7: scan line not calibrated: all IR channels failed calibration
bit 6: scan line marginally calibrated: one or more IR channels marginally calibrated
or one or more, but not all, IR channels failed calibration
bit 5: scan line was not calibrated: bad or insufficient PRT data
bit 4: scan line marginally calibrated: marginal PRT data
bit 3: some uncalibrated channels for this scan line (i.e., one or more, but not all,
IR channels failed calibration)
bit 2: No visible calibration due to either the presence of MIRP psendonoise in place of
AVHRR data (NOAA only)or calibration processing turned off
bit 1: <zero fill>
bit 0: scan line was not calibrated because of satellite maneuver (MetOp) or <zero fill> NOAA) |
31 |
31 |
u |
1 |
1 |
0 |
|
|
avh_scnlinqual_c |
Scan Line Quality Flags [Earth Location Problem Code] (If a bit is on (=1), the statement is true. All bits set to 0 implies the earth
location was normal.)
bit 7: not earth located because of bad time; earth location fields zero-filled
bit 6: earth location questionable: questionable time code (see time problem flags above)
bit 5: earth location questionable: marginal agreement with reasonableness check
bit 4: earth location questionable: fails reasonableness check
bits 3-2:
bit 1: not earth located because of satellite in-plane maneuver (MetOp) or <zero fill> (NOAA)
bit 0: not earth located because of satellite out-of-plane maneuver (MetOp) or <zero fill> (NOAA) |
32 |
32 |
u |
1 |
1 |
0 |
|
|
avh_scnlinqual_e |
Calibration Quality Flags (all bits off implies a good calibration)
Word 1: Channel 3B
bits 15-8: <zero fill>
bit 7: this channel is not calibrated
bit 6: this channel is calibrated but questionable
bit 5: all bad blackbody counts for scan line
bit 4: all bad space view counts for scan line
bit 3: <zero fill>
bit 2: marginal blackbody view counts for this line
bit 1: marginal space view counts for this line
bit 0: <zero fill>
Words 2-3: Channels 4-5 (in order)
|
33 |
38 |
u |
2 |
3 |
0 |
|
|
avh_calqual |
| Count of Bit Errors in Frame Sync |
39 |
40 |
u |
2 |
1 |
0 |
|
|
avh_cbiterr |
| <zero fill> |
41 |
48 |
i |
4 |
2 |
0 |
|
|
avh_filler1 |
| CALIBRATION COEFFICIENTS |
| Visible Operational Cal Ch 1 Slope 1 |
49 |
52 |
i |
4 |
1 |
7 |
|
|
avh_calvis_os11 |
| Visible Operational Cal Ch 1 Intercept 1 |
53 |
56 |
i |
4 |
1 |
6 |
|
|
avh_calvis_oi11 |
| Visible Operational Cal Ch 1 Slope 2 |
57 |
60 |
i |
4 |
1 |
7 |
|
|
avh_calvis_os12 |
| Visible Operational Cal Ch 1 Intercept 2 |
61 |
64 |
i |
4 |
1 |
6 |
|
|
avh_calvis_oi12 |
| Visible Operational Cal Ch 1 Intersection |
65 |
68 |
i |
4 |
1 |
0 |
|
|
avh_calvis_oi1 |
| Visible Test Cal Ch 1 Slope 1 |
69 |
72 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ts11 |
| Visible Test Cal Ch 1 Intercept 1 |
73 |
76 |
i |
4 |
1 |
6 |
|
|
avh_calvis_ti11 |
| Visible Test Cal Ch 1 Slope 2 |
77 |
80 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ts12 |
| Visible Test Cal Ch 1 Intercept 2 |
81 |
84 |
i |
4 |
1 |
6 |
|
|
avh_calvis_ti12 |
| Visible Test Cal Ch 1 Intersection |
85 |
88 |
i |
4 |
1 |
0 |
|
|
avh_calvis_ti11 |
| Visible Prelaunch Cal Ch 1 Slope 1 |
89 |
92 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ps11 |
| Visible Prelaunch Cal Ch 1 Intercept 1 |
93 |
96 |
i |
4 |
1 |
6 |
|
|
avh_calvis_pi11 |
| Visible Prelaunch Cal Ch 1 Slope 2 |
97 |
100 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ps12 |
| Visible Prelaunch Cal Ch 1 Intercept 2 |
101 |
104 |
i |
4 |
1 |
6 |
|
|
avh_calvis_pi12 |
| Visible Prelaunch Cal Ch 1 Intersection |
105 |
108 |
i |
4 |
1 |
0 |
|
|
avh_calvis_pi1 |
| Visible Operational Cal Ch 2 Slope 1 |
109 |
112 |
i |
4 |
1 |
7 |
|
|
avh_calvis_os21 |
| Visible Operational Cal Ch 2 Intercept 1 |
113 |
116 |
i |
4 |
1 |
6 |
|
|
avh_calvis_oi21 |
| Visible Operational Cal Ch 2 Slope 2 |
117 |
120 |
i |
4 |
1 |
7 |
|
|
avh_calvis_os22 |
| Visible Operational Cal Ch 2 Intercept 2 |
121 |
124 |
i |
4 |
1 |
6 |
|
|
avh_calvis_oi22 |
| Visible Operational Cal Ch 2 Intersection |
125 |
128 |
i |
4 |
1 |
0 |
|
|
avh_calvis_oi2 |
| Visible Test Cal Ch 2 Slope 1 |
129 |
132 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ts21 |
| Visible Test Cal Ch 2 Intercept 1 |
133 |
136 |
i |
4 |
1 |
6 |
|
|
avh_calvis_ti21 |
| Visible Test Cal Ch 2 Slope 2 |
137 |
140 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ts22 |
| Visible Test Cal Ch 2 Intercept 2 |
141 |
144 |
i |
4 |
1 |
6 |
|
|
avh_calvis_ti22 |
| Visible Test Cal Ch 2 Intersection |
145 |
148 |
i |
4 |
1 |
0 |
|
|
avh_calvis_ti2 |
| Visible Prelaunch Cal Ch 2 Slope 1 |
149 |
152 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ps21 |
| Visible Prelaunch Cal Ch 2 Intercept 1 |
153 |
156 |
i |
4 |
1 |
6 |
|
|
avh_calvis_pi21 |
| Visible Prelaunch Cal Ch 2 Slope 2 |
157 |
160 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ps22 |
| Visible Prelaunch Cal Ch 2 Intercept 2 |
161 |
164 |
i |
4 |
1 |
6 |
|
|
avh_calvis_pi21 |
| Visible Prelaunch Cal Ch 2 Intersection |
165 |
168 |
i |
4 |
1 |
0 |
|
|
avh_calvis_pi2 |
| Visible Operational Cal Ch 3A Slope 1 |
169 |
172 |
i |
4 |
1 |
7 |
|
|
avh_calvis_os3a1 |
| Visible Operational Cal Ch 3A Intercept 1 |
173 |
176 |
i |
4 |
1 |
6 |
|
|
avh_calvis_oi3a1 |
| Visible Operational Cal Ch 3A Slope 2 |
177 |
180 |
i |
4 |
1 |
7 |
|
|
avh_calvis_os3a2 |
| Visible Operational Cal Ch 3A Intercept 2 |
181 |
184 |
i |
4 |
1 |
6 |
|
|
avh_calvis_oi3a2 |
| Visible Operational Cal Ch 3A Intersection |
185 |
188 |
i |
4 |
1 |
0 |
|
|
avh_calvis_oi3a |
| Visible Test Cal Ch 3A Slope 1 |
189 |
192 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ts3a1 |
| Visible Test Cal Ch 3A Intercept 1 |
193 |
196 |
i |
4 |
1 |
6 |
|
|
avh_calvis_ti3a1 |
| Visible Test Cal Ch 3A Slope 2 |
197 |
200 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ts3a2 |
| Visible Test Cal Ch 3A Intercept 2 |
201 |
204 |
i |
4 |
1 |
6 |
|
|
avh_calvis_ti3a2 |
| Visible Test Cal Ch 3A Intersection |
205 |
208 |
i |
4 |
1 |
0 |
|
|
avh_calvis_ti3a |
| Visible Prelaunch Cal Ch 3A Slope 1 |
209 |
212 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ps3a1 |
| Visible Prelaunch Cal Ch 3A Intercept 1 |
213 |
216 |
i |
4 |
1 |
6 |
|
|
avh_calvis_pi3a1 |
| Visible Prelaunch Cal Ch 3A Slope 2 |
217 |
220 |
i |
4 |
1 |
7 |
|
|
avh_calvis_ps3a2 |
| Visible Prelaunch Cal Ch 3A Intercept 2 |
221 |
224 |
i |
4 |
1 |
6 |
|
|
avh_calvis_pi3a2 |
| Visible Prelaunch Cal Ch 3A Intersection |
225 |
228 |
i |
4 |
1 |
0 |
|
|
avh_calvis_pi3a |
| IR Operational Cal Ch 3B Coefficient 1 |
229 |
232 |
i |
4 |
1 |
6 |
|
|
avh_calir_o3b1 |
| IR Operational Cal Ch 3B Coefficient 2 |
233 |
236 |
i |
4 |
1 |
6 |
|
|
avh_calir_o3b2 |
| IR Operational Cal Ch 3B Coefficient 3 |
237 |
240 |
i |
4 |
1 |
6 |
|
|
avh_calir_o3b3 |
| IR Test Cal Ch 3B Coefficient 1 |
241 |
244 |
i |
4 |
1 |
6 |
|
|
avh_calir_t3b1 |
| IR Test Cal Ch 3B Coefficient 2 |
245 |
248 |
i |
4 |
1 |
6 |
|
|
avh_calir_t3b2 |
| IR Test Cal Ch 3B Coefficient 3 |
249 |
252 |
i |
4 |
1 |
6 |
|
|
avh_calir_t3b3 |
| IR Operational Cal Ch 4 Coefficient 1 |
253 |
256 |
i |
4 |
1 |
6 |
|
|
avh_calir_o41 |
| IR Operational Cal Ch 4 Coefficient 2 |
257 |
260 |
i |
4 |
1 |
6 |
|
|
avh_calir_o42 |
| IR Operational Cal Ch 4 Coefficient 3 |
261 |
264 |
i |
4 |
1 |
7 |
|
|
avh_calir_o43 |
| IR Test Cal Ch 4 Coefficient 1 |
265 |
268 |
i |
4 |
1 |
6 |
|
|
avh_calir_t41 |
| IR Test Cal Ch 4 Coefficient 2 |
269 |
272 |
i |
4 |
1 |
6 |
|
|
avh_calir_t42 |
| IR Test Cal Ch 4 Coefficient 3 |
273 |
276 |
i |
4 |
1 |
7 |
|
|
avh_calir_t43 |
| IR Operational Cal Ch 5 Coefficient 1 |
277 |
280 |
i |
4 |
1 |
6 |
|
|
avh_calir_o51 |
|
IR Operational Cal Ch 5 Coefficient 2 |
281 |
284 |
i |
4 |
1 |
6 |
|
|
avh_calir_o52 |
| IR Operational Cal Ch 5 Coefficient 3 |
285 |
288 |
i |
4 |
1 |
7 |
|
|
avh_calir_o53 |
| IR Test Cal Ch 5 Coefficient 1 |
289 |
292 |
i |
4 |
1 |
6 |
|
|
avh_calir_t51 |
| IR Test Cal Ch 5 Coefficient 2 |
293 |
296 |
i |
4 |
1 |
6 |
|
|
avh_calir_t52 |
| IR Test Cal Ch 5 Coefficient 3 |
297 |
300 |
i |
4 |
1 |
7 |
|
|
avh_calir_t53 |
| NAVIGATION |
Computed Yaw Steering (MetOp: content defined below) or (NOAA)
Word 1: Computed roll angle
Word 2: Computed pitch angle
Word 3: Computed yaw angle |
301 |
306 |
i |
2 |
3 |
0 |
degrees |
|
avh_filler2a |
Total Applied Attitude Correction
Word 1: Roll
Word 2: Pitch
Word 3: Yaw |
307 |
312 |
i |
2 |
3 |
0 |
degrees |
|
avh_filler2b |
Navigation Status Bit Field(content defined below, depends on origin of data, either NOAA or MetOp)
For NOAA Data:
bits 31-18: <zero fill>
bit 17: earth location at the satellite subpoint is accurate and
reasonable, i.e., is within tolerance defined by "Nadir Earth Location tolerance" in header:
0=out of tolerance;
1 = in tolerance
bit 16: Euler error angles from the CPU telemetry used by AELDS to correct the earth locations:
0=FALSE;
1=TRUE
bits 15 - 12: earth location indicator:
0 = earth location available;
1 = first scan whose time is more thatn 24 hours older than the time [epoch] of the user ephemeris file;
2 = no earth location available
bits 11 - 8: spacecraft attitude control
0 = operating in YGC or NOMINAL mode and attitude is good;
1 = operating in another mode but attitude is good;
2 = operating in YGC or NOMINAL mode but tests are being conducted which may cause attitude to exceed nominal tolerance;
3 = operating in another mode while tests are being conducted which may cause attitude to exceed nominal tolerance.
bits 7 - 4: attitude SMODE
0 = NOMINAL mode;
1 = rate nulling mode;
2 = YGC mode;
3 = search mode;
4 = coast mode
bits 3 - 0: attitude PWTIP$AC
0 = NOMINAL mode/no test;
1 = yaw axis test in progress;
2 = roll axis test in progress;
3 = pitch axis test in progress
For MetOp Data:
bits 31-21: <zero fill>
bit 20-19: yaw steering parameters usage indicator:
0 = no yaw steering correction;
1 = measured angles from the MetOp SVM telemetry;
2 = computed angles from AELDS;
3 = measured angles + computed angles.
bit 18: MetOp maneuver indicator
0 = scan does not occur during a MetOp in-plane or out-of-plane maneuver;
1 = scan, or some part of it, occurs during a maneuver.
bit 17: <same as defined for NOAA, above>br>
bit 16: <zero fill>br>
bits 15-12: <same as defined for NOAA, above>br>
bits 11-8: <zero fill>
bits 7-4: OPM PF sub-mode
0 = fine point mode (FPM);
1 = yaw steering mode (YSM)
bits 3-0: SVM PF mode
0 = LHM 5 = FAM3 OCM0
1 = RRM 6 = OPM
2 = CAM 7 = OCM1
3 = FAM1 8 = OCM2
4 = FAM2 9 = OCMT
|
313 |
316 |
u |
4 |
1 |
0 |
|
|
avh_navstat |
| Time Associated with Euler Angles |
317 |
320 |
i |
4 |
1 |
0 |
seconds |
|
avh_attangtime |
Euler Angles (NOAA, from TIP CPU telemetry near end of scan;
MetOp [in FPM], from SVM telemetry just before start of scan) or
Yaw Steering Parameters (MetOp [in YSM], from SVM telemetry or AELDS near nadir of scan)
Word 1: Roll
Word 2: Pitch
Word 3: Yaw
|
321 |
326 |
i |
2 |
3 |
3 |
degrees |
|
avh_rollpitchyawang |
| Spacecraft Altitude above Reference Ellipsoid |
327 |
328 |
u |
2 |
1 |
1 |
kilometers |
|
avh_scalti |
Angular Relationships (relative azimuth range +/- 180.00 degrees)
Word 1: Solar zenith angle, FOV 5
Word 2: Satellite zenith angle, FOV 5
Word 3: Relative azimuth angle, FOV 5
Word 4: Solar zenith angle, FOV 13
...
(set of 3 angles every 8 FOVs)
...
Word 153: Relative azimuth angle, FOV 405
|
329 |
634 |
i |
2 |
153 |
2 |
degrees |
|
avh_ang |
| <zero fill> |
635 |
640 |
i |
2 |
3 |
0 |
|
|
avh_filler3 |
Earth Location (north latitude and east longitude are positive)
Word 1: Latitude, FOV 5
Word 2: Longitude, FOV 5
Word 3: Latitude, FOV 13
...
(lat/lon word pair every 8 FOVs)
...
Word 102: Longitude, FOV 405
|
641 |
1048 |
i |
4 |
102 |
4 |
degrees |
|
avh_pos |
| <zero fill> |
1049 |
1056 |
i |
4 |
2 |
0 |
|
|
avh_filler4 |
| FRAME TELEMETRY |
Frame Sync (The first 60 bits (in 6 10-bit values) from a 63-bit pseudonoise generator starting in the all 1's state. The generator
polynomial is: x6 + x5 + x2 + 1.)
Word 1: 644
Word 2: 367
Word 3: 860
Word 4: 413
Word 5: 527
Word 6: 149
|
1057 |
1068 |
u |
2 |
6 |
0 |
|
|
avh_telem_fs |
ID
Word 1
bits 15-10: <zero fill>
bit 9: MIRP/AVHRR sync (0=internal sync; 1=AVHRR sync)
bits 8-7: frame ID (0=GAC frame; 1=HRPT minor frame 1; 2=HRPT minor frame 2; 3=HRPT minor frame 3)
bits 6-3: spacecraft address
bit 2: resync (0=frame stable; 1=frame resync occurred)
bit 1: AVHRR input (0=pseudonoise; 1=normal)
bit 0: channel 3 status (0=AVHRR channel 3B; 1=AVHRR channel 3A)
Word 2
bits 15-10: <zero fill>
bits 9-0: <undefined>
|
1069 |
1072 |
u |
2 |
2 |
0 |
|
|
avh_telem_id |
Time Code
Word 1
bits 15-10: <zero fill>
bits 9-1: binary day count
bit 0: 0 (zero)
Word 2
bits 15-10: <zero fill>
bit 9: 1 (one)
bit 8: 0 (zero)
bit 7: 1 (one)
bits 6-0: most significant part of binary millisecond of day count
Word 3
bits 15-10: <zero fill>
bits 9-0: part of binary millisecond of day count
Word 4
bits 15-10: <zero fill>
bits 9-0: least significant part of binary millisecond of day count |
1073 |
1080 |
u |
2 |
4 |
0 |
|
|
avh_telem_tc |
Ramp Calibration
Word 1: Ramp calibration, channel 1
Word 2: Ramp calibration, channel 2
Word 3: Ramp calibration, channel 3
Word 4: Ramp calibration, channel 4
Word 5: Ramp calibration, channel 5 |
1081 |
1090 |
u |
2 |
5 |
0 |
counts |
|
avh_telem_rc |
Internal Target Temperature (Three readings from one of the four platinum resistance thermometers (PRT). A different PRT is
sampled for each scan. Every fifth scan will contain a reference value of 0 in place of each reading.)
Word 1: PRT reading 1
Word 2: PRT reading 2
Word 3: PRT reading 3 |
1091 |
1096 |
u |
2 |
3 |
0 |
counts |
|
avh_telem_itt |
| Patch Temperature |
1097 |
1098 |
u |
2 |
1 |
0 |
counts |
|
avh_telem_pt |
| <Undefined> |
1099 |
1100 |
u |
2 |
1 |
0 |
|
|
avh_telem_ud |
Back Scan (Ten samples of calibration target view data from each of AVHRR channels 3, 4, and 5.)
Word 1: channel 3, sample 1
Word 2: channel 4, sample 1
Word 3: channel 5, sample 1
Word 4: channel 3, sample 2
...
Word 30: channel 5, sample 10 |
1101 |
1160 |
u |
2 |
30 |
0 |
counts |
|
avh_telem_bs |
Space Data (Ten samples of space view data from each of AVHRR channels 1, 2, 3, 4, and 5.)
Word 1: channel 1, sample 1
Word 2: channel 2, sample 1
...
Word 5: channel 5, sample 1
Word 6: channel 1, sample 2
...
Word 50: channel 5, sample 10 |
1161 |
1260 |
u |
2 |
50 |
0 |
counts |
|
avh_telem_sd |
Sync Delta
bits 15-10: <zero fill>
bit 9: AVHRR sync (0=early; 1=late)
bits 8-0: 9-bit binary count of 0.9984 MHz periods |
1261 |
1262 |
u |
2 |
1 |
0 |
|
|
avh_telem_sd |
| <zero fill> |
1263 |
1264 |
i |
2 |
1 |
0 |
|
|
avh_filler5 |
| EARth OBSERVATIONS |
Earth Data
Word 1
bits 31-30: <zero fill>
bits 29-20: channel 1, FOV 1
bits 19-10: channel 2, FOV 1
bits 9-0: channel 3, FOV 1
Word 2
bits 31-30: <zero fill>
bits 29-20: channel 4, FOV 1
bits 19-10: channel 5, FOV 1
bits 9-0: channel 1, FOV 2
...
Word 682
bits 31-30: <zero fill>
bits 29-20: channel 4, FOV 409
bits 19-10: channel 5, FOV 409
bits 9-0: <zero fill> |
1265 |
3992 |
u |
4 |
682 |
0 |
counts |
|
avh_video |
| <zero fill> |
3993 |
4000 |
i |
4 |
2 |
0 |
|
|
avh_filler6 |