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Document Title: 42
User’s Manual for the GPS Orion-S/-HD Receiver
Document No. Issue 1.0
GTN-MAN-0110 June 22, 2003
DLR/GSOCNo part of this document shall be reproduced in any form or disclosed to third parties without prior authorization.
4.4.2.3 F52 – User Spacecraft Mean Elements
MsgID Chars. Format Description
F52 95
User spacecraft mean elements
1
x <STX>
3
xxx Message Id (=F52)
4
xxxx GPS week of epoch
11
xxxxxxx.xxx GPS seconds of week [s] of epoch
11
xxxxxx.xxxx SGP4 mean semi-major axis a [km]
11
xx.xxxxxxxx SGP4 mean eccentricity e
9
xxxxx.xxxx SGP4 mean inclination i [deg]
10
xxxxx.xxxx SGP4 mean right ascension of ascending node Ω [deg]
10
xxxxx.xxxx SGP4 mean argument of perigee ω [deg]
10
xxxxx.xxxx SGP4 mean mean anomaly M [deg]
12
xxx.xxxxxxxx SGP4 ballistic coefficient B
2
xx Checksum
1
x <ETX>
Example:
<STX>F521079 475200.000 6933.6698 0.00108870 97.6045 143.0131 277.5609 82.
4397 -0.003070225C<ETX>