Novatel OM-20000041 用户手册
D
Logs summary
222
MiLLennium GPSCard Software Version 4.50 Command Descriptions Manual Rev 1
WALA/B
WAAS Almanac
WAAS
Structure:
*Example:
$WALA,981,447490.88,981,447360,122,0,0,2.57894000E+007,-
3.5479600E+007,2.60000000E+004,0.00000000E+000,0.00000000E+000,0.00000000E+000*32 [CR][LF]
3.5479600E+007,2.60000000E+004,0.00000000E+000,0.00000000E+000,0.00000000E+000*32 [CR][LF]
$WALA
week
seconds
WAAS week
WAAS seconds
prn
data ID
health
pos X
pos Y
pos Z
vel X
vel Y
vel Z
Field #
Field type
Data Description
Example
1
$WALA
Log header
$WALA
2
week
GPS week number
981
3
seconds
GPS seconds into the week
447490.88
4
WAAS week
WAAS week number
981
5
WAAS seconds
WAAS seconds into the week at time of application
447360
6
prn
WAAS GEO satellite PRN number
122
7
data ID
Version of WAAS signal specification, see Table D-14
0
8
health
Health and status of the WAAS GEO satellite, see Table D-13
0
9
pos X
Position x coordinate of WAAS GEO satellite at WAAS seconds (Field #5)
2.5789400E+007
10
pos Y
Position y coordinate of WAAS GEO satellite at WAAS seconds (Field #5)
-3.5479600E+007
11
pos Z
Position z coordinate of WAAS GEO satellite at WAAS seconds (Field #5)
2.60000000E+004
12
vel X
Velocity x coordinate of WAAS GEO satellite
0.00000000E+000
13
vel Y
Velocity y coordinate of WAAS GEO satellite
0.00000000E+000
14
vel Z
Velocity z coordinate of WAAS GEO satellite
0.00000000E+000
15
*xx
Checksum
*32
16
[CR][LF]
Sentence terminator
[CR] [LF]