[aprssig] are write-only APRS-IS clients valid?

Heikki Hannikainen hessu at hes.iki.fi
Mon Dec 2 16:23:25 CST 2013


On Mon, Dec 2, 2013 at 10:41 PM, Dave Torrey <kd8gbh at woodsidelane.net> wrote:
> I'm running a receive-only iGate (let the beating begin).  It's aprx,
> and I believe it has an integral server (it offers the usual TCP ports,
> among other things).

Just to clarify: I think you must be mixing it with something, aprx
does not have an integral server, and does not offer the usual TCP
ports - it's an APRS-IS igate client.

aprx is the igate software written by Matti OH2MQK, and aprsc is the
server we wrote together with Matti. Those are two bits of software
for different purposes: one is for interfacing with radios and
igating/digipeating, and the other is for providing APRS-IS data to a
large number of clients.

> 1) If I add no filters, I should be receiving appropriate messages to
> gate to RF, according to stations I have recently gated to IS.
>
> 2) If I add filters (say, geographic), that could cause loss of some
> messages that should come back through me.

In this case, no, because aprx is certainly not an APRS-IS server and
does not do dupe filtering like one.

- Hessu, OH7LZB


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