Raw Satellite Ephemeris Packet

Boreas Manager will automatically convert this packet to RINEX 3.02 format.

Raw Satellite Ephemeris Packet
Packet ID 61
Length Varies
Read / Write Read
Field # Bytes Offset Data Type Size Description
1 0 u32 4 Unix timestamp (seconds)
2 4 u8 1 Satellite System
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

GPS Flags

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)

10

38

fp64

8

Satellite velocity X (m/s)

11

46

fp64

8

Satellite velocity Y (m/s)

12

54

fp64

8

Satellite velocity Z (m/s)

13

62

fp64

8

Satellite acceleration X (m/s/s)

14

70

fp64

8

Satellite acceleration Y (m/s/s)

15

78

fp64

8

Satellite acceleration Z (m/s/s)

16

86

u32

4

Message frame start time (s)

17

90

u8

1

Age of operational information [E] (days)

18

91

s8

1

Frequency slot number

19

92

u8

1

Satellite Health

20

93

u8

1

Reserved

Raw Satellite Ephemeris Packet

GPS Flags

Bit Description

0

Data flag for L2 P-code

1-2

Codes on L2 channel

3

Anti-spoof flag

4-9

Satellite health

10

Fit interval flag

11

URA bad

12-14

Satellite block type

GPS Flags