Novatel OM-20000041 사용자 설명서
4
Message Formats
MiLLennium GPSCard Software Version 4.50 Command Descriptions Manual Rev 1
59
Log example:
$XOBS, 96 04 10 17 25 19.5000000 2*00
$XOBS,
4
1*2F
$XOBS, *** KINEMATIC DATA FOLLOWS ***
COMMENT*50
XNAV
NAVIGATION DATA RECORD
This log type contains broadcast navigation message records for each satellite being used. Each set of records
consists of:
consists of:
•
orbit data for the satellites tracked
•
satellite clock parameters
•
satellite health condition
•
expected accuracy of pseudorange measurements
•
parameters of single-frequency ionospheric delay model
•
correction terms relating GPS time to UTC
Command example:
COM1> log com2 xnav onchanged
Log example:
$XNAV,22 96 04 10 18 00
0.0 .2988767810166D-03 .2842170943040D-11 .0000000000000D+00*77
$XNAV,.1570000000000D+03 .5162500000000D+02 .4851987819054D-08
-.307153354042D+01*10
$XNAV,.2656131982803D-05.8917320519686D-02.9054318070412D-05 .5153725172043D+04*01
$XNAV, .3240000000000D+06 -.149011611938D-06
.1649994199967D+01
.1117587089539D-07*1E
$XNAV,.9465553285374D+00
.1992812500000D+03
.4627841719040D-01
-.806355016494D-08*17
$XNAV,-.175721605224D-09
.1000000000000D+01
.8480000000000D+03
.0000000000000D+00*18
$XNAV,.7000000000000D+01 .0000000000000D+00 .1396983861923D-08
.4130000000000D+03*08
$XNAV,.3170760000000D+06*5E
XNHD
NAVIGATION HEADER
This log consists of a RINEX-format header for broadcast navigation message files. It can be generated at any
point, using a command such as
point, using a command such as
COM1> log com2 xnhd
or it will be generated automatically when logging is complete, using a command such as
COM1> unlogall
Log example:
$XNHD,
2
NAVIGATION DATA
RINEX VERSION / TYPE*3B
$XNHD, NovAtel GPSCard
NATIVE
96-04-10 16:13
PGM / RUN BY / DATE*05
$XNHD,Field trial of new receiver
COMMENT*29
$XNHD,.10245D-07
.14901D-07 -.5960D-07 -.1192D-06
ION ALPHA*05
$XNHD,.88064D+05
.32768D+05 -.1966D+06 -.1966D+06
ION BETA*46
$XNHD,
.9313225746155D-09
-.799360577730D-14 503808 848
DELTA-UTC: A0,A1,T,W*3C
$XNHD,
11
LEAP SECONDS*4D
$XNHD,
END OF HEADER*6F
XOBS
OBSERVATION DATA RECORD
This log contains observation records, which include the following information:
•
Times of observations
•
Carrier-phase measurements
•
Pseudorange (code) measurements
•
Doppler measurements
A set of observation records is generated at the end of every time interval specified.