[aprssig] APRS Monitoring and activity

Wes Johnston aprs at kd4rdb.com
Thu Dec 30 11:13:54 CST 2004

So far as I know, UI-View is the only client that will decode an APRS position
in a Net/ROM beacon due to the extra text in the beginning of the packet.

Makes it kinda hard to plot the digipeaters on other networks.  Maybe it's
better to monitor another frequency and use the MHEARD function of your TNC?


Quoting Robert Bruninga <bruninga at usna.edu>:

> As I said in an earlier post, APRS is not an end in itself.
> It is just a tool for doing HAM radio things.  One of the
> things it is used for is monitoring ANY or ALL packet
> frequencies to see what is out there.
> In our area, there are somthing like 25 packet freqs on
> 2 meters.  And since all active packet systems are
> encouraged to Beacon once every now and then to identify
> their presence,  APRS is an ideal tool for finding out what is out
> there.
> And many of those assets with knowledgible owners put
> a position in that beacon.  Thus, APRS will plot these
> networks just like they do APRS.  Also, APRS should
> receive and plot any DX cluster spots if  you run across one
> of those too.
> If you use APRSdos, however, you have to toggle the
> CONTROLS-FILTER to OTHER so that APRS will capture any
> packet and not just APRS stations.
> Today, I'm home and stepping through all  25 channels about
> 30 minutes on each.  I have alrady found 3 JNOS nodes,
> a local BBS, and a DX cluster and Im only on the 4th channel
> now...
> Also, if these sysops include their PHG in their beacon, then
> you can eve see the connectivity of these systems and if
> they have digi enabled, then you can even use thse as an
> alternate RF path in an emergency by hopping from one
> to another to your destination...
> de WB4APR, Bob
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