Hemisphere GPS Crescent V100 Series, Руководство пользователя

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Crescent V100 Series User Guide
55
C
OMMON
C
OMMANDS AND
M
ESSAGES
Tables 2-1 to 2-7, on pages 55 to 59, provide the common
commands and brief description of what they do. Refer to
Hemisphere GPS’ GPS Technical Reference for more details.
Note: The messages have a default update rate of up to 10
Hz and optional 20 Hz with a subscription. The GPGSA,
GPGST, GPGSV and GPRRE messages are only output at
1 Hz.
Table 2-1: Applications
Command Description
$JAPP Primary application 1
Table 2-2: Differential commands
Command Description
$JDIFF Differential mode
$JLIMIT DGPS LIMIT distance
$JAGE
Max DGPS (COAST
TM
) age (6 to 8100
seconds)
$JWAASPRN Configure for specific SBAS PRN numbers
$JGEO Query WAAS for current location and WAAS
satellites
$JASC,D1 Request SBAS diagnostic information
$GPMSK Tune beacon to specific frequency