OmniSTAR 5220HP, User Manual

Page: 53 / 83

OmniSTAR 5220HP User Manual
Issue 1.32 12/2010
53
$JASC,D1
This command requests diagnostic information for Omnistar
operation from the receiver module.
This command has the following format:
$JASC,D1,1[,OTHER]<CR><LF>
The receiver will reply and start generating $RD1 output messages
at a rate of 1Hz, as in the following example:
$JASC,D1,1
$>
$RD1,469164,1515,1537.4400,1,10,83,76.9,0,1F,1F,0,99999
$RD1,469165,1515,1537.4400,1,10,85,85.8,0,1F,1F,0,99999
$RD1,469165,1515,1537.4400,1,9,87,81.4,0,1F,1F,0,99999
$RD1,469166,1515,1537.4400,1,9,87,82.3,0,1F,1F,0,99999
$RD1,469167,1515,1537.4400,1,9,82,80.5,0,1F,1F,0,99999
$RD1,469168,1515,1537.4400,1,10,85,90.3,0,1F,1F,0,99999
[,other] is for outputting the message on another COM port.
To turn off the $RD1 message, just set the update rate to zero with
the following command:
$JASC,D1,0<CR><LF>
The RD1 message contains diagnostic information.
The following table gives a description of the output:
JRD1 message header
469164 The second of GPS week
(may be a couple of seconds old)
1515 The GPS week number
1537.4400 The L-band frequency in MHz
1 DSP (= Digital Signal Processor) Locked=1
10 BER (= Bit Error Rate )
83 L-band Signal strength in dBmV/m
76.9 DDS
0 Doppler
1F DSPStat A status bit mask for the DSP
tracking of SBAS
1F ARMStat A status bit mask for the ARM
GPS solution
0 DiffStatus The SBAS PRN of the satellite
in use
99999 Nav Condition