[aprssig] AVRS Online

[Denis Barton]

John,
Your doing good work. Lynn noticed that your system doesn't know what band 
the sender is on. Maybe if we send something to tell AVRS what band we were 
on? Like AVRS2 for 2M or AVRS4 for 440M? Keep up the good work
Denis

----- Original Message ----- 
From: "John Gorkos" <jgorkos at gmail.com>
To: "TAPR APRS Mailing List" <aprssig at tapr.org>
Sent: Friday, January 14, 2011 5:09 PM
Subject: [aprssig] AVRS Online


> The AVRS responder described at http://aprs.org/avrs.html is online and
> running, and all code is current in the SourceForge project.  I'll be 
> adding
> usage information this weekend on the SourceForge page, but the bottom 
> line is
> pretty easy:
> Message "?" to "AVRS" to get a message with the closest EchoLink OR IRLP 
> node
> sent back to you, as well as two objects sent to the APRS-IS stream
> representing the two closest nodes.
> Message CALLSIGN to "AVRS" to initiate a voice-over-Internet link to a 
> distant
> station.  AVRS will find the best path (EchoLink or IRLP) and send two
> messages:  one to your target, asking them to QSY to the appropriate 
> frequency
> and stand by for a QSO with you, and the second message to you telling you 
> to
> QSY to your closest node and the node number of the distant node you need 
> to
> bring up.
> Please give it a try, and email me with any issues or problems.  Right 
> now,
> the node selection algo uses a "shortest total path" to determine the best
> node, and doesn't differentiate between nodes based on frequency (i.e. if 
> you
> ask on the 2m APRS frequency, you may get a 440 node in response).  Total 
> path
> length is based on distance from you to the closest node plus the distance
> from your target to his closest node.
> Target callsign does not need an SSID.  For targets with multiple SSIDs, 
> right
> now I'm just grabbing the station with the most recent transmission.   I'm
> working on an algorithm to make the selection based on SSID, stations that 
> are
> moving, stations that have a history of RF messages, stations that 
> indicate
> message-capable based on = or @ in their positions, etc.
> I'm also working on the item-in-message format.  Should have that at the 
> end
> of the weekend, depending on my football-watching schedule and how exiting 
> the
> games are.
> Again, the source code for all parsers and AVRS logic is at
> http://sourceforge.net/projects/avrs/
>
> Since I've never really used EchoLink or IRLP, and don't have any friends
> anywhere else in the world, I'm a little stymied to actually test this.
> Please help me.
>
> de AB0OO
> John Gorkos
>
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