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Document Title: 39
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.
4.4.1.11 F45– Relative Navigation Data (WGS-84 System)
MsgID Chars. Format Description
F45 104
Relative navigation data (WGS-84 system)
1
x <STX>
3
xxx Message Id (=F45)
4
xxxx GPS week
12
xxxxxx.xxxxx GPS seconds of week [s] (of navigation solution)
2
xx GPS-UTC [s]
12
sxxxxxxxx.xx
∆r
x
(x position difference remote–local) [m]
12
sxxxxxxxx.xx
∆r
y
(y position difference) [m]
12
sxxxxxxxx.xx
∆r
z
(z position difference) [m]
12
sxxxxx.xxxxx
∆v
x
(x velocity difference remote–local) [m]
12
sxxxxx.xxxxx
∆v
y
(y velocity difference) [m]
12
sxxxxx.xxxxx
∆v
z
(z velocity difference) [m]
1
x Navigation status (0=no-Nav,2=3D-Nav)
2
xx Number of tracked satellites (remote receiver)
4
xx.x PDOP (remote receiver)
2
xx Checksum
1
x <ETX>
Example:
<STX>F451139172978.0000013 +653.26 +2342.55 -11667.94 +0.26231
+13.04631 +2.648422 6 2.66A<ETX>
4.4.1.12 F46 – Relative Navigation Data (RTN Frame)
MsgID Chars. Format Description
F46 104
Relative navigation data (RTN frame)
1
x <STX>
3
xxx Message Id (=F46)
4
xxxx GPS week
12
xxxxxx.xxxxx GPS seconds of week [s] (of navigation solution)
2
xx GPS-UTC [s]
12
sxxxxxxxx.xx
∆r
R
(radial position difference; local-remote) [m]
12
sxxxxxxxx.xx
∆r
T
(along-track position difference) [m]
12
sxxxxxxxx.xx
∆r
N
(cross-track position difference) [m]
12
sxxxxx.xxxxx
∆v
R
(radial velocity difference; local-remote) [m]
12
sxxxxx.xxxxx
∆v
T
(along-track velocity difference) [m]
12
sxxxxx.xxxxx
∆v
N
(cross-track velocity difference) [m]
1
x Navigation status (0=no-Nav,2=3D-Nav)
2
xx Number of tracked satellites (remote receiver)
4
xx.x PDOP (remote receiver)
2
xx Checksum
1
x <ETX>
Example:
<STX>F461139172978.0000013 -12.20 -11918.68 -0.00 -0.01829 +0
.01417 -0.003602 6 2.673<ETX>