434
Query Command Library
ALM: Almanac Message
Function
This command allows you to output the latest GPS almanac
data. Each response line describes the almanac data from a
given GPS satellite.
Command Format
Syntax
$PASHQ,ALM[*cc]
Response Format
Syntax
$GPALM,d1,d2,d3,d4,h5,h6,h7,h8,h9,h10,h11,h12,h13,h14,h15*cc
Parameters
Example
$PASHQ,ALM
$GPALM,31,1,01,65535,00,39A8,4E,1FEA,FD65,A10C8C,B777FE,935A86,C
994BE,0C6,001*73
$GPALM,31,2,02,65535,00,4830,4E,00D9,FD49,A10D24,64A66D,3B6857,E
6F2A3,0BA,001*7A
Parameter
Description
Range
d1
Total number of messages
01-32
d2
Number of this message
01-32
d3
Satellite PRN number
01-32
d4
GPS week
4 digits
h5
SV health (in ASCII hex)
2 bytes
h6
e: Excentricity (in ASCII hex)
4 bytes
h7
toe: Almanac reference time, in seconds (ASCII hex)
2 bytes
h8
Io: Inclination angle, in semicircles (ASCII hex)
4 bytes
h9
OMEGADOT: Rate of ascension, in semicircles/second
(ASCII hex)
4 bytes
h10
A1/2: Square root of semi-major axis, in meters 1/2
(ASCII hex)
6 bytes
h11
OMEGA: Argument of perigee, in semicircles (ASCII
hex)
6 bytes
h12
OMEGA0: Longitude of ascension mode, in semicircles
(ASCII hex)
6 bytes
h13
Mo: Mean anomaly, in semi-circles (ASCII hex)
6 bytes
h14
af0: Clock parameter, in seconds (ASCII hex)
3 bytes
h15
af1: Clock parameter, in seconds/second (ASCII hex)
3 bytes
*cc
Checksum
*00-*FF
Содержание HDS800
Страница 1: ...Reference Manual HDS800...
Страница 16: ...x Enabling a Firmware Option 639 Decoding an NTRIP Source Table 639 Logging Raw Data 642...
Страница 54: ...38 Receiver Description...
Страница 104: ...88 Using the Web Server...
Страница 161: ...145 Web Server Help Files Collection Configuration Tab These groups of parameters are detailed below...
Страница 189: ...173 Web Server Help Files Collection Configuration Tab...
Страница 250: ...234 Ethernet Connection dd is the day number 1 31 when the file was created The file extension is log...
Страница 266: ...250 Using Serial Commands...
Страница 606: ...590 Query Command Library...
Страница 619: ...603 Data Output...
Страница 628: ...612 Data Output...
Страница 650: ...634 Troubleshooting...
Страница 660: ...644 Other Procedures Memos...
Страница 676: ...X XDR 110 112 587 Z Z Blade 1 ZDA 347 431 588...
Страница 677: ......