[aprssig] Xastir Internet->RF configuration

[Greg D.]

Hi all,

Thanks for all the advice and parameter settings.  I changed both the Path 1 and Inet->RF paths to WIDE2-1, and toggled the various buttons.  I did not set up a nws-stations.txt file.

I am in a hole, but even so, the Igates are pretty widely spread out here, and there is only one that can hear me - K6FGA-1, about 23 mi to the north.

Anyway, I tried the suggestions, but I don't think the Tx side is working right.  If I tell Xastir to "Transmit now", I see the TNC's PTT LED come on, and I hear the usual braaap of a packet, but my D7 doesn't display anything.  Shouldn't I see my Xastir station show up?  I also tried sending a message to the D7 (which is configured to automatically acknowledge it), but the D7 doesn't do anything.  Is this an audio quality issue with the TNC, perhaps?  Or, is it sending a packet that the D7 ignores?

Also, if I send a position report from the D7, at a low enough power that the real digis don't hear it, I see my D7 show up on Xastir's map and on aprs.is, as usual.  But I don't hear it repeated back out over the air (no PTT, no audio).  Is that expected?   (I do hear it from K6FGA-1 when I crank up the power, and get the re-assuring "My Position" display on the D7.)

Thanks for the help,

Greg  KO6TH


> Date: Sun, 5 Apr 2009 10:52:04 -0700
> From: archer at eskimo.com
> To: aprssig at tapr.org
> Subject: Re: [aprssig] Xastir Internet->RF configuration
> 
> On Sun, 5 Apr 2009, Keith VE7GDH wrote:
> 
> > However, you did state that you were "in a bit of a hole" so perhaps you
> > won't trigger any low level fill-in digis. However, it would still be
> > good practise to change the path to WIDE2-1.
> 
> Agreed.  You can leave the other two paths there empty.  If you have
> more than one path listed in the three slots Xastir will round-robin
> the path between them each time you transmit.  Empty slots are
> ignored so you can enter paths in any of the three slots you wish.
> 
> Also, for the Igate->RF path I don't think anybody has answered that
> particular question yet:  That's the path your station will insert
> for any packets you gate to RF.  Perhaps set that to "WIDE2-1" as
> well, assuming there are digi's that can hear you direct.
> 
> If you're seriously in a hole where very few can hear you it may be
> worthwhile to insert a specific callsign into both your "Path 1" and
> "Igate -> RF" paths.  For instance "K7ABC,WIDE2-1" if "k7abc" hears
> you well and can give you a hop to the first digipeater.  The
> downside is that particular station has to be always online else
> you won't be heard anymore.  To avoid that case you can enter a
> "Path 2" and/or a "Path 3" as well with additional callsigns and
> round-robin them, but there's no such facility for the Igate->RF
> path.  It's better if you can hit a digi direct with a generic
> callsign (like WIDE2-1) to avoid the problem altogether and
> auto-adapt to changing conditions.
> 
> -- 
> Curt, WE7U.				archer at eskimo dot com
> http://www.eskimo.com/~archer
>    Lotto:  A tax on people who are bad at math. - unknown
> Windows:  Microsoft's tax on computer illiterates. - WE7U.
> The world DOES revolve around me:  I picked the coordinate system!"
> 
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