[aprssig] Received packet question

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Fri Jul 13 10:56:45 EDT 2012

It would be extremely helpful to know the station that originated the 
packets in question.  I suspect, but cannot be sure, that the 457 is 
simply what that station is supplying as the toCall or Application 
Identifier (http://www.aprs.org/aprs11/tocalls.txt).  This is a 
non-standard toCall, but someone might be trying to run it as an AltNet.

My APRSIS32 full feed filtered to AltNet 457 shows three stations: COML, 
N9TB-10, and WB9NTO, but they are so geographically dispersed as to 
appear that it's more a mistake than intentional.

The APRS-IS packet path says that the station is directly injecting his 
own packets to APRS-IS (the TCPIP*) and is connected to the FIRST core 

The qAC means "Packet was received from the client directly via a 
verified connection (FROMCALL=login). The callSSID following the qAC is 
the server's callsign-SSID." (http://www.aprs-is.net/q.aspx).

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 7/13/2012 10:33 AM, E.J. Caylor wrote:
> A quick question regarding definition of what exactly is being sent by
> a local station.
> I have been receiving APRS packets at my iGate, and also seeing
> packets on the -IS from a local station with this routing info:
> 457 via WIDE1-1,WIDE2-2,qAR,KC9HIY (received at my end)
> 457,TCPIP*,qAC,FIRST (seen over APRS-IS)
> I understand the routing to my station except for the 457, which I've
> tried to look up to no avail.  Does anyone know what this is?
> Also, can anyone explain the routing info of the packet sent to the -IS?
> Thanks,
> E.J.

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