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Raw Satellite Ephemeris Packet
3
5
u8
1
Satellite number (PRN)
For GPS Satellites (132 bytes)
5
6
u32
4
Time of ephemeris (Toe) (s)
6
10
u16
2
Issue of Data Clock [IODC] (s)
7
12
u16
2
Issue of Data Ephemeris [IODE] (s)
8
14
fp32
4
Satellite Clock Bias [af0] (s)
9
18
fp32
4
Satellite Clock Drift [af1] (s/s)
10
22
fp32
4
Satellite Clock Drift Rate [af2] (s/s/s)
11
26
fp32
4
Crs (m)
12
30
fp32
4
Delta N (rad/s)
13
34
fp64
8
M0 (rad)
14
42
fp32
4
Cuc (rad)
15
46
fp64
8
Eccentricity [e]
16
54
fp32
4
Cus (rad)
17
58
fp64
8
√A (√m)
18
66
fp32
4
Cic (rad)
19
70
fp64
8
OMEGA0 (rad)
20
78
fp32
4
Cis (rad)
21
82
fp64
8
i0 (rad)
22
90
fp32
4
Crc (m)
23
94
fp64
8
Omega (rad)
24
102
fp64
8
Omega dot (rad/s)
25
110
fp64
8
IDOT (rad/s)
26
118
fp32
4
TGD (s)
27
122
u16
2
Ephemeris week number
28
124
u32
4
Transmission time (s)
29
128
u16
2
User range accuracy (m)
30
130
u16
2
For GLONASS satellites (94 Bytes)
5
6
fp32
4
Satellite clock bias (s)
6
10
fp32
4
Satellite frequency bias [gamma]
7
14
fp64
8
Satellite position X (m)
8
22
fp64
8
Satellite position Y (m)
9
30
fp64
8
Satellite position Z (m)
v1.2
Page 143
11 Oct 2022
Boreas Reference Manual • Advanced Navigation Packet Protocol