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250 MiLLennium GPSCard SW Version 4.503/4.52 Command Descriptions Manual Rev 2
Table 2-1 Commands By Function Table
1 Intended for advanced users of GPS only.
COMMUNICATIONS, CONTROL AND STATUS
Commands Descriptions
ANTENNAPOWER Power to the low-noise amplifier of an active antenna
COMn COMn port configuration control
COMn_DTR DTR handshaking control
COMn_RTS RTS handshaking control
DIFF_PROTOCOL
1
Differential Protocol Control
FREQUENCY_OUT Variable frequency output (programmable)
LOG Logging control
MESSAGES Disable error reporting from command interpreter
RINEX Configure the user defined fields in the file header
RTCMRULE Sets up RTCM bit rule
RTCM16T Enters an ASCII message
SEND Sends ASCII message to COM port
SENDHEX Sends non-printable characters
SETL1OFFSET
1
Add an offset to the L1 pseudorange to compensate for
signal delays
1 Intended for advanced users of GPS onl
GENERAL RECEIVER CONTROL AND STATUS
Commands Descriptions
$ALMA Download almanac data file
CRESET Reset receiver to factory default
DYNAMICS Set correlator tracking bandwidth
HELP On-line command help
RESET Performs a hardware reset (OEM only)
SAVEALMA Saves the latest almanac in NVM
SAVECONFIG Saves current configuration (OEM only)
$TM1A Injects receiver time of 1PPS
VERSION Software/hardware information
POSITION, PARAMETERS, AND SOLUTION FILTERING CONTROL
Commands Descriptions
CSMOOTH
1
Sets amount of carrier smoothing
DATUM Choose a DATUM name type
ECUTOFF Satellite elevation cut-off for solutions
FIX HEIGHT Constrains to fixed height (2D mode)
FIX POSITION Constrains to fixed lat, lon, height
FRESET Clears all data which is stored in NVM
$IONA Download ionospheric correction data
IONOMODEL
What ionospheric correction to use (MiLLennium with the
WAAS option)
LOCKOUT Deweights a satellite in solutions
$PVAA
1
Position, velocity and acceleration in ECEF coordinates
RTKMODE Setup the RTK mode
UNDULATION Ellipsoid-geoid separation
USERDATUM User-customized datum
WAASCORRECTION Controls handling of WAAS corrections.