Differential Commands 317
Differential Commands
ALM: Internal Almanac Message
$PASHS,BCN,ALM,c1,s1
This command enables the Beacon to output the internal almanac message where
c1 is the output port (A, B, or optional C) and s1 is ON or OFF.
$PASHQ,BCN,ALM
This command queries for the internal almanac messages.
$PASHR,BCN,ALM,n1,(f1,c1,f2,c2,f3,d1)...
The response is in the format
$PASHR,BCN,ALM,n1,(f1,c1,f2,c2,f3,d1)...
Table 9.16 outlines the parameters of the response message.
CHN: Assign Beacon Station Channel
$PASHS,BCN,CHN,d1,f1,[d2],[d3]
This command assigns the specified Beacon station frequency to the DG16
channel. You can only use this command when the Beacon receiver is in Manual
mode. Table 9.17 outlines the parameters.
Table 9.16. $PASHR,BCN,ALM Response Message Parameters
Parameter Description
n1 Number of station in the message. The remaining
parameters are repeated for each message.
f1 Latitude
c1 Latitude hemisphere N or S
f2 Longitude
c2 Longitude hemisphere E or W
f3 Frequency
d1 Range in Km
Table 9.17. $PASHS,BCN,CHN Parameters
Parameter Description Range
d1 Channel number 1 or 2
f1 Frequency in KHz 283.5 to 325.0
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