Differential Commands 319
Differential Commands
$PASHQ,BCN,DIR,USR
This command queries for the Beacon directory for only the user entered stations.
$PASHR,BCN,DIR,n1,n2,s1,f1,f2,c2,f3,d1,d2,d3,d4,d5,d6,d7
The response is in the format
$PASHR,BCN,DIR,n1,n2,s1,f1,f2,c2,f3,d1,d2,d3,d4,d5,d6,d7*hh
Table 9.18 outlines the response parameters.
DIR,CLR: Erase Beacon Directory
$PASHS,BCN,DIR,CLR
This command erases the contents of the beacon directory from memory. Upon a
cold start, the DG16 Beacon directory consists of the default list kept in ROM only.
The Beacon Directory can also be reset to the default list of stations with the
$PASHS,BCN,DIR,INI command.
Table 9.18. $PASHR,BCN,DIR Response Message Parameters
Parameter Description
n1 Total number of DIR messages (stations) in the response
n2 Number of messages remaining to output (countdown)
s1 Source of the information DEF—Default list, RTC—RTCM
Type 7 message, USR—User entered
f1 Latitude
c1 Latitude hemisphere N or S
f2 Longitude
c2 Longitude hemisphere E or W
f3 Frequency
d1 Station ID
d2 Bit Range
d3 Range in Km
d4 Health
d5 Modulation code
d6 Synchronization type
d7 Broadcast code
*hh Checksum
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