Spectra Precision ProMark 800 Reference Manual - Manual (Page 252)

240
Set Command Library
$PASHS,SIT,ECC1*63
Relevant Query
Command
$PASHQ,SIT
See also $PASHS,REC
SNM: Signal-To-Noise Ratio Mask
Function This command is used to mask the signal observations that
do not meet the minimum C/A code signal-to-noise ratio you
specify. This means that only the observations meeting this
requirement will be used in the PVT computation (all the
others will be rejected).
Command Format Syntax
$PASHS,SNM,d1[*cc]
Parameters
Example
Setting the SNR mask to 45 dB.Hz:
$PASHS,SNM,45*08
Relevant Query
Command
$PASHQ,SNM
SOM: Masking Signal Observations
Function The SOM command is used to apply masks on the following
data:
• Cumulative tracking time (CTT), in seconds
• Navigation data (NAV)
• Signal-to-Noise Ratio (SNR), in dBHz
Parameter Description Range Default
d1 SNR mask, in dB.Hz 0-60 0
*cc Optional checksum *00-*FF