J Listing Of Table s
MiLLennium GPSCard Software Version 4.50 Command Descriptions Manual Rev 1 243Table 1-1 GPSCard Pseudorange Differential Initialization SummaryTable 1-2 Latency-Induced Extrapolation ErrorTable 2-1 Commands By Function Table

Reference Station Remote Station

Required:
FIX POSITION lat lon hgt id (health)
LOG port DATATYPE ontime 5
Recommended Options:
LOG DATATYPES (binary): RTCMB
RTCAB
RTCM
RTCA
LOG DATATYPES (acii): RTCMA
RTCAA
Related Commands/Logs:
RTCMRULE
DATUM
Required:
ACCEPT port DATATYPE
Recommended Options:
ACCEPT DATATYPES (binary): RTCM
RTCA
ACCEPT COMMANDS (ascii): RTCMA
RTCAA
Related Commands/Logs:
RTCMRULE
DATUM
POSA/B
VLHA/B
CDSA/B
GPGGA
Example 1:
fix position 51.3455323 -114.2895345 1201.123 555 0
log com 1 RTCM ontime 2
Example 2:
fix position 51.3455323 -114.2895345 1201.123 555 0
log com2 rtcaa ontime 2
Example 1:
accept com2 rtcm
log com1 posa ontime 1
Example 2:
accept com2 commands
log com1 posa ontime 0.2
log com1 vlha ontime 0.2
Note:Italicized entries indicate user definable.

Time since last reference station observation Typical extrapolation error (CEP)

0-2 seconds 1 cm/sec

2-7 seconds 2 cm/sec

7-30 seconds 5 cm/sec

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 con tro l
DIFF_PROTOCOL 1Differential Protocol Control
FREQUENCY_OUT Variable frequency o utput (programmable)
LOG Logging control
MESSAGES Disable error reporting from comm and 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 1Add an offset to the L1 pseudorange to compensate for
signal delays