[OZAPRS] Re: digipeated iss beacon

[martin diggens]

Hi Geoff
   
  Thanks for the reply. Yes in this case it would be an advantage as many of my beacons are not received by other Sgates especially when the footprint is out over the Indian Ocean. The version I am using has a switch in the config file to allow this and I see my digipeated beacons, once received by my station, forwarded on to the net but they seem to vanish. I am wondering what would be different between my own digipeated packets and those of, say, Mike's vk8zma? I will load up the earlier version and see what happens and from memory I don't think there is an option in the config file to turn it on or off in this earlier version. Will be an interesting test nevertheless.
   
  Cheers for now
  Martin

Geoff <geoff at gatwards.org> wrote:
  It's probably a bug in the OLDER version of APRSD ;-)

An IGate should NEVER transmit back to the internet something it transmitted
to RF, as this causes loops in the network which is very bad. 99% of all
IGate capable software has been fixed to correct this bug, but in your case
you want to use the bug to your advantage :-) 

Geoff VK2XJG

-----Original Message-----
From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au] On
Behalf Of martin diggens
Sent: Thursday, March 13, 2008 5:49 PM
To: Australian APRS Users
Subject: Re: [OZAPRS] Re: digipeated iss beacon

Hi Ian

thanks for the reply. Yes these beacons are received by vk3jtm-5 who
operates a rx only sgate. These beacons are forwarded by him to the net and
they appear on the maps. My station also receives them and forwards them on
to the net but they don't seem to end up on the maps. I never see my posit
on a map which was forwarded by my station as happens with vk8zma's beacons.
So I am wondering if it is simply a bug in the newer version of aprsd?

It is a puzzlement.

Cheers
Martin

Ian Mills wrote:

Hi Martin,

I can see some of your beacons on the net via ARRIS:

2008-03-11 22:14:18 EST:
VK6MJ-6>APRS,RS0ISS-4*,SGATE,WIDE,OF78WC,qAo,VK3JTM-5:!3153.27S/11551.18E`
VK6MJ_SGATE_vk6mj at yahoo.com 
2008-03-11 23:50:18 EST:
VK6MJ-6>APRS,RS0ISS-4*,SGATE,WIDE,OF78WC,qAo,VK3JTM-5:!3153.27S/11551.18E`
VK6MJ_SGATE_vk6mj at yahoo.com

This was from http://aprs.fi/ which I find to be better than findu

Cheers
Ian
vk2him


>Hi All
> 
> I am running an APRS Sgate here in VK6 using aprsd-2.2.5-15. All is
> working quite nicely with the exception of my own beacons when received
> back from rs0iss-4. I have set the config file to allow my own
> beacons to be forwarded on to the net and this in fact happens. However
> they don't seem to go anywhere. I don't see them on ariss.net or
> findu.com. I notice Mike VK8ZMA who uses an earlier version aprsd-2.5.5-13
is
> successful in sending his beacons on to ariss.net etc. Would anyone know
if
> this is a problem with the newer version of aprsd or is there perhaps a
> setting downstream on the net which needs to be set?
> 
> Any thoughts?
> 
> Cheers for now
> Martin




AWA Limited

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