[aprssig] APRS UHF freq?

Robert Bruninga bruninga at usna.edu
Tue Jan 24 12:08:50 CST 2017


The UHF freq for APRS comes up every now and then.  Here is what I know.



1)      We  use 445.925 on UHF for both APRS voice channel and APRS UHF for
events.

2)      Using operator-to-operator voice here avoids interference with 2m
APRS.

3)      Also for some events, operating APRS combined with Voice Alert has
value.

4)      I don’t think we want any dedicated permanent UHF links on 445.925

5)      445.925 is NOT an APRS frequency in southern California due to
other uses

6)      There is no national UHF or 9600 channel that I know of.

7)      The only permanent APRS UHF net I know of is in the Pacific
Northwest on 440.800 (or 440.875?) at 9600 baud.



Bob, WB4APR
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