NOAA KLM User's GuideAppendix A.5 |
| Line from TBUS | Explanation | |
|---|---|---|
| TBUS2 KWBC 271900 | ||
| TBUS2 | Bulletin heading--identifies bulletin for satellite northbound in daylight | |
| KWBC | Bulletin source--Washington, D.C. Communications Center | |
| 271900 | 27 -Day of the month (27th) 1900 -Bulletin time (1900 UTC) |
|
| APT PREDICT | Bulletin identifier | |
| 022737 | 0227 - Date for which bulletin applies, Feb. 27 37 - Satellite identifier (Table A-1) |
|
| NOAA 12 | Plain language satellite identifier | |
| PART I | Identifies reference orbit information and the equator crossing time and equator crossing longitude for the fourth, eighth and twelfth orbits after the reference orbit. | |
| 05271 02718 05148 01022 T0115 L2531 | ||
| 05271 | 0 - Group indicator 5271 - Reference orbit number |
|
| 02718 | 0 - Group indicator 27 - Day of month of equator crossing 18 - Hour |
|
| 05148 | 0 - Group indicator 51- Minute 48 - Seconds (equator crossing 18:51:48 UTC) |
|
| 01022 | 0 - Octant 0 (0 to 90W degrees), N. Hemisphere 1022 - 010.22W (equator crossing) |
|
| T0115 | T - Group indicator 0115 - Orbital period 101 minutes 15 seconds |
|
| L2531 | L - Group indicator 2531 - Nodal longitudinal increment 25.31 degrees |
|
| 52750 13652 11149 | ||
| 52750 13652 | 5275 - Orbit number 5275 (4th orbit after reference orbit) 013652 - Time (01:36:52Z) of ascending node for orbit 5275 |
|
| 11149 | 1 - Octant 1 (90W to 180 degrees) 1149 - 111.49W (equator crossing for orbit 5275 in octant 1) |
|
| 52790 82156 24723 | Decoded in same manner as previous line of data | |
| 52831 50700 34596 | Decoded in same manner as previous line of data | |
| NIGHT PART II | Satellite altitude and subpoint coordinates at two-minute intervals beginning at the day/night terminator in the N. Hemisphere and continuing southward toward the equator. | |
| 02810 070117 04820 141133 .......... | ||
| 02810 | 02 - Minute 02 after northbound equator crossing 81 - Spacecraft altitude 810 km 0 - Octant 0 (0 - 90W degrees) N. Hemisphere |
|
| 070117 | 070 - Latitude 7.0N 117 - Longitude 11.7E |
|
| 04820 | 04- Minute 04 after equator crossing 82 - Spacecraft altitude 820 km 0 - Octant 0 (0 - 90W degrees) N. Hemisphere |
|
| 141133 | 141 - Latitude 14.1N 133 - Longitude 13.3E |
|
| Remainder of NIGHT PART II decoded in same manner. Data continues at 2 minute intervals. | ||
| NIGHT PART III | Satellite altitude and subpoint coordinates at two-minute intervals south of the equator on the descending side of the orbit. | |
| 02815 070086 04815 141070 ........ | ||
| 02815 | 02 - Minute 02 after Northbound equator crossing 81 - Spacecraft altitude 810 km 5 - Octant 5 (0 - 90W degrees) S Hemisphere |
|
| 070086 | 070 - Latitude 07.0S 086 - Longitude 08.6E |
|
| 04815 | 04 - Minute 04 after equator crossing 81 - Spacecraft altitude 810 km 5 - Octant 5 (0 -90W degrees) S Hemisphere |
|
| 141070 | 141 - Latitude 14.1S 070 - Longitude 7.0E |
|
| Remainder decoded in same manner. Data continues at 2-minute intervals from first point South of equator to Southern terminator. | ||
| DAY PART II | Contains satellite altitude and subpoint coordinates at two-minute intervals after time of Northbound (ascending) equator crossing. | |
| 32831 649795 34832 582752 ....... | ||
| 32831 | 32 - Minute 32 after Northbound equator crossing 83 - Spacecraft altitude 830 km 1 - Octant 1 (90W to 180W degrees) N. Hemisphere |
|
| 649795 | 649 - Latitude 64.9N 795 - Longitude 079.5W |
|
| 34832 | 34 - Minute 34 after Northbound equator crossing 83 - Spacecraft altitude 830 km 2 - Octant 2 (90E to 180E) N. Hemisphere |
|
| 582752 | 582 - Latitude 058.2N 752 - Longitude 75.2W |
|
| Remainder of DAY PART II decoded in same manner. Data for DAY PART II are continuous at 2-minute intervals from equator North to Northern terminator. | ||
|
DAY PART III |
Satellite altitude and subpoint coordinates at two-minute intervals south of the equator. Satellite Northbound in the Southern hemisphere (points are plotted Southward from the equator). | |
| 52817 048560 54817 118544 ...... | ||
| 52817 | 52 - Minute 52 before Northbound equator crossing 81 - Spacecraft altitude 810 km 7 - Octant 7 (90E to 180E degrees) S. Hemisphere |
|
| 048560 | 048 - Latitude 04.8S 560 - Longitude 056.0W |
|
| 54817 | 54 - Minute 54 after equator crossing 81 - Spacecraft altitude 810 km 7 - Octant 7 (90E to 180E degrees) S. Hemisphere |
|
| 118544 | 118 - Latitude 11.8S 544 - Longitude 54.4W |
|
| Remainder of DAY PART III decoded in same manner | ||
| PART IV | Indicator -- orbital elements, transmission frequencies, and remarks follow. | |
|
AAAAAAAAA |
1991 032A | 1991-032A International designator for NOAA-12 |
| BBBBB | 35260 | revolution 35260 |
| CCCCCCCCCCCC | 058012410488 | 058.012410488 days |
| DDEEFFGGHHIIIII | 980227001752266 | 98--1998 year 02-02 months 27-27 days 00-00 hours 17-17 minutes 52266--52.266 seconds |
| JJJJJJJ | 1611059 | 161.1059 degrees |
| KKKKKKKK | 01012050 | 101.2050 minutes |
| LLLLLLLL | 01012668 | 101.2668 minutes |
| MMMMMMMM | 00124135 | 0.00124135 no units |
| NNNNNNNN | 27260918 | 272.60918 degrees |
| OOOOOOOO | 06938332 | 69.38332 degrees |
| PPPPPPPP | 09853018 | 98.53018 degrees |
| QQQQQQQQ | 08737459 | 87.37459 degrees |
| RRRRRRRR | 07191220 | 7191.220 km |
| SSSSSSSSSS | P025340217 | +2534.0217 km |
| TTTTTTTTTT | P067357065 | +06735.7065 km |
| UUUUUUUUUU | P000000000 | +0.0000 km |
| VVVVVVVVV | P01033198 | +1.033198 km/sec |
| WWWWWWWWW | M00387576 | -0.387576 km/sec |
| XXXXXXXXX | P07361891 | +7.361891 km/sec |
| YYYYYYYYY | 003003246 | 0.03003246 m2/kg |
| ZZZaaabbb | 094096008 | 094--94 x 10-7 W/m2 096--96 x 10-7 W/m2 008-- 8 x 10-5 gauss |
| cccc | 9449 | 0.9449 no units |
| dddddddddd | 0000500000 | 0.0005000000 m2/kg |
| eeeeeeeee | M00312884 | - 3.12884 degrees/day |
| fffffffff | P00096864 | +0.96864 degrees/day |
| ggggggggg | P00512228 | +5122.28 degrees/day |
| hhhhhhhh | 26827739 | 268.27739 degrees East longitude |
| iiiiii | 123195 | 12-month, 31-date, 95-year |
| jjjjjj | M00100 | -0.100 seconds |
| kkkkkk | 020998 | 02-month, 09-date, 98-year |
| llllll | M00100 | -0.100 seconds |
| mmmmmm | 020198 | 02-month, 01-date, 98-year |
| nnnnnn | M00002 | -2 milliseconds/day |
| oooooo | 000000 | Date of next clock correction is unknown. |
| PLAIN LANGUAGE PART OF MESSAGE:
APT 137.50 MHZ, HRPT 1698.0 MHZ, BCN DSB 136.77 MHZ. APT DAY/NIGHT |
||
| NNNN | NNNN | Indicates end of message |
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