UNICORECOMM Unicore - Page 61

Command and Log Reference
61
subframe 1(tow week)
9
Toe
Reference time of GPS ephemeris,
seconds
Double
8
H+32
10
A
Semi-major axis of satellite orbit, meters
Double
8
H+40
11
ΔN
Correction of satellite Mean angular
velocity, radians/second
Double
8
H+48
12
M0
Mean anomaly of TOE time, radians
Double
8
H+56
13
Ecc
Eccentricity of satellite orbit
Double
8
H+64
14
ω
Argument of perigee, radians
Double
8
H+72
15
cuc
Argument of Latitude (amplitude of
cosine, radians)
Double
8
H+80
16
cus
Argument of Latitude (amplitude of sine,
radians)
Double
8
H+88
17
crc
Orbit radius (amplitude of cosine, meters)
Double
8
H+96
18
crs
Orbit radius (amplitude of sine, meters)
Double
8
H+104
19
cic
Inclination (amplitude of cosine, radians)
Double
8
H+112
20
cis
Inclination (amplitude of sine, radians)
Double
8
H+120
21
I0
Inclination angle at TOE time, radians
Double
8
H+128
22
IDOT
Rate of inclination angle at TOE time,
radians/second
Double
8
H+136
23
Ω0
Right ascension of satellite ascending
node, radians
Double
8
H+144
24
Ω dot
Rate of right ascension, radians/second
Double
8
H+152
25
iodc
Issue of data, clock
Ulong
4
H+160
26
toc
Reference time of Satellite clock, seconds
Double
8
H+164
27
tgd
Satellite group delay, seconds
Double
8
H+172
28
af0
Satellite clock offset parameter, seconds
Double
8
H+180
29
af1
Satellite clock rate parameter,
seconds/second
Double
8
H+188
30
af2
Satellite clock drift parameter,
seconds/second/second
8
H+196
31
AS
Anti-spoofing: 0 = FALSE, 1=TRUE
Enum
4
H+204
32
N
Corrected satellite Mean angular velocity,
radians/second
Double
8
H+208
33
URA
User Range Accuracy variance, ㎡。 This
value computes from the ephemeris’s URA
index and the converter algorithm listed in
the ICD-GPS-200. Notice here is the square
of the nominal standard deviation
value(variance)
Double
8
H+216
34
xxxx
32-bit CRC(for ASCII and Binary only)
Hex
4
H+224
35
[CR][LF]
Sentence terminator(for ASCII only)
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