[amsat-bb] ISS Interference (local nodes)

Robert Bruninga bruninga at usna.edu
Thu Feb 7 08:23:02 PST 2008

>> What do EchoLink or IRLP have to do with 
>> the frequency chosen for a local repeater...
> Those systems list the output frequency in 
> many of the lists I've seen online. 

There are also scripts that run on IRLP and Echolink nodes to
put out an object on APRS 144.39.  These objects appear on your
APRS mobile or HT radio and contain their frequency, PL tone and
coverage range and status... See how they look on a D7: 

The position page on the D7 shows the distance and direction: 

Problem is, not all such nodes output this valuable information
so that they can be seen by everyone in range.

For full details on how Voice repeaters, Echolink and IRLP nodes
(and all other local HAM radio assets) are supposed to announce
themselves to nearby travelers, please see:


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