Galileo almanac, Sbas almanac, Reserved – NavCom Sapphire Rev.J User Manual
Page 261: Table 108: sbas alm1b binary message data
Sapphire Technical Reference Manual Rev. J
261
2.3.3 GALILEO Almanac
TBD
2.3.4 SBAS Almanac
Table 108: SBAS ALM1B Binary Message Data
Data Item (N * 34 Bytes)
Data Type
Number of Almanacs; each almanac has the format of the following definitions:
U08
Satellite 1 Almanac
PRN ( 120
– 138)
U08
Health and status
U08
ECEF X coordinate at t0 (2600 meters/LSB)
S32
ECEF Y coordinate at t0 (2600 meters/LSB)
S32
ECEF Z coordinate at t0 (26000 meters/LSB)
S32
Rate of change for X coordinate at t0 (10meters/sec)
S16
Rate of change for Y coordinate at t0 (10meter/sec/LSB)
S16
Rate of change for Z coordinate at t0 (60meter/sec/LSB)
S16
Time of Day( t0 64 seconds/LSB)
U32
Number of seconds since the start of the week
R64
GPS week number
U16
Satellite 2 Almanac
…
Satellite N Almanac
2.4 Reserved