Satellite Navigation
Table B-2: Navigation message file - data record description
B.2 Example of a RINEX File
The following part of a script has the ephemeris info of satellites 4 and 9 at toc = toe =
352800.
2.10
teqc
User Manual 1178.6379.02 ─ 01
HEADER LABEL (Columns
61-80 )
PRN / EPOCH / SV CLK
BROADCAST ORBIT - 1
BROADCAST ORBIT - 2
BROADCAST ORBIT - 3
BROADCAST ORBIT - 4
BROADCAST ORBIT - 5
BROADCAST ORBIT - 6
BROADCAST ORBIT - 7
N: GPS NAV DATA
2002Mar14
Lisa McCormick
DESCRIPTION
●
Satellite PRN number
●
Epoch: Toc - Time of Clock
–
year (2 digits)
–
month
–
day
–
hour
–
minute
–
second
●
SV clock bias (seconds)
●
SV clock drift (sec/sec)
●
SV clock drift rate (sec/sec2)
●
IODE Issue of Data, Ephemeris
●
Crs (meters)
●
Delta n (radians/sec)
●
M0 (radians)
●
Cuc (radians)
e Eccentricity
Cus (radians)
sqrt(A) (sqrt(m))
●
Toe Time of Ephemeris (sec of GPS
week)
●
Cic (radians)
●
OMEGA (radians)
●
CIS (radians)
●
i0 (radians)
●
Crc (meters)
●
omega (radians)
●
OMEGA DOT (radians/sec)
●
IDOT (radians/sec)
●
Codes on L2 channel
●
GPS Week # (to go with TOE)
Continuous number, not mod(1024)!
●
L2 P data flag
●
SV accuracy (meters)
●
SV health (MSB only)
●
TGD (seconds)
●
IODC Issue of Data, Clock
●
Transmission time of message (sec
of GPS week, derived e.g. from Z-
count in Hand Over Word (HOW)
●
spare
●
spare
●
spare
20090501 01:40:41UTCPGM / RUN BY / DATE
RINEX Files
Example of a RINEX File
FORMAT
I2, 5I3, F5.1,
3D19.12
3X,4D19.12
3X,4D19.12
3X,4D19.12
3X,4D19.12
3X,4D19.12
3X,4D19.12
3X,4D19.12
RINEX VERSION / TYPE
405