NorthStar 2505 Installation Manual page 43

Command message to the
radiobeacon
HEADER
MSK,x.x,a,x.x,a,x.x*hh<CR><LF>
1. Status request: When status data I not to be transmitted, this field is "null."
2505 INSTALLATION MANUAL, Revision A
This message is used to configure the set the frequency and bit
rate parameters of the radiobeacon and also to set the rate of
the output message MSS and $PMCAG,903.
CONTENTS OF DATA FIELDS
Example:
$GPMSK,288.0,A,100,A,004*6b<CR><LF>
Output messages:
MSS and 903 transmitted every 4 seconds.
Set the frequency to 288.0 in automatic mode, and bit
Appendix C NMEA output protocol
interval for sending $PCMCAG,903 and
MSS message in seconds
auto/manual bit rate
beacon bit rate (25, 50, 100, 200) bits per
second
auto/manual frequency A/M
radiobeacon frequency, 285.5 to 325.0 kHz
rate to 100 in automatic mode.
Page 33