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MiLLennium Command Descriptions Manual 7
log com1,rtcaref,ontime,10
log com1,rtcaobs,ontime,2
2. At the remote station:
accept com
n
,rtca
Example:
accept com2,rtca
Congratulations! Your RTK system is now in operation!
INITIALIZATION FOR RTCM-FORMAT MESSAGING (RT-20 ONLY)
Although RT-20 can operate with either RTCA or RTCM-format messaging, the use of RTCA-format messages is
recommended (see Chapter 6 for further information on this topic). Nevertheless, the following commands will
enable RTCM-format messaging and allow RT-20 to operate with the remote station either at rest or in motion:
1. At the reference station:
fix position lat,lon,height,
station id,station health
log com
n
,rtcm3,ontime,interval
log com
n
,rtcm59,ontime,interval
Example:
fix position 51.11358042,-114.04358013,1059.4105,119,0
log com1,rtcm3,ontime,10
log com1,rtcm59,ontime,2
2. At the remote station:
accept com
n
,rtcm
Example:
accept com2,rtcm
Congratulations! Your RT-20 system is now in operation!
Monitoring Your RTK Output Data
At the remote station, you could now select any or all of these output logs for positioning information:
• BSLA/B Baseline Measurement
• NMEA-format logs
• POSA/B Computed Position
• PRTKA/B Best Position
• RPSA/B Reference Station Position & Health
• RTKOA/B RTK Output - Time Matched Positions
The POSA/B, PRTKA/B and NMEA-format logs contain the low-latency position; the RTKA/B logs contain the
matched position. The low-latency solution is the recommended one for kinematic users, while the matched
solution is the one recommended for stationary users. For a discussion on low-latency and matched positions, see
the Differential Positioning section of Appendix A.
Options for Logging Differential Corrections
SET DGPSTIMEOUT
The DGPSTIMEOUT command allows the reference station to set the delay by which it will inhibit utilization of new
ephemeris data in its differential corrections. This delay ensures that the remote receivers have had sufficient time