NOAA KLM User's GuideAppendix A.2 |
U.S. NATIONAL CODE TBUS-2 FOR SATELLITE EPHEMERIS PREDICT MESSAGE
(DAYLIGHT ASCENDING SATELLITES)
TBUS 2 KWBC
APT PREDICT
MMDDSS
PART I
0NrNrNrNr
0DrDrHrHr
0mrmrsrsr
QrLoLoLoLo
Tmmss LLoLoLol0
N4N4N4N4H 4
H4m4m4 s4s4
Q4Lo
LoLoLo
N8N8N8N8 H8
H8m8m8 s8s8
Q8Lo
LoLo10
N12N12N12N12
H12 H12m12m12
s12s12 Q12Lo
LoLoLo
DAY PART II
02a02a02Q02 La
LalaLoLo Lo
04a04a04Q04
LaLalaLo
LoLo
06a06a06Q02 La
LalaLoLo Lo
08a08a08Q08
LaLalaLo
LoLo .........
...and continues north, at two-minute intervals, to day/night terminator in N. Hemisphere.
DAY PART III
02a02a02Q02 La
LalaLoLo Lo
04a04a04Q04
LaLalaLo
LoLo
06a06a06Q02 La
LalaLoLo Lo
08a08a08Q08
LaLalaLo
Lolo .........
...and continuing south, at two-minute intervals, to day/night terminator in S. Hemisphere.
NIGHT PART II
...beginning near day/night terminator in N. Hemisphere, two minutes after last position given in DAY PART II, continuing at
two-minute intervals and ending close to and north of the equator, repeating code form:
... mmammammQmm
LaLalaLo
LoLo ........
NIGHT PART III
...beginning two minutes after last position given in NIGHT PART II. First two code groups give satellite time, altitude, octant,
and latitude/longitude of the first position south of the equator; following groups give the same information at two-minute intervals
until spacecraft reaches day/night terminator in S. Hemisphere; repeating code form:
... mmammammQmm
LaLalaLo
Lo1o ........
PART IV
... identical to the TBUS-1 code form
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