[aprssig] Maximum APRS Packet Lengths and 3rd party use?

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Wed Nov 30 17:33:30 CST 2016


On 11/30/2016 6:06 PM, Jim Alles wrote:
> ‚Äč
> However, there is at this time an APRS software package that appears 
> to be not working properly. And provides the use of other, 
> blocking-type filters (client-side).

Maybe I missed something, but to what is this referring?

>
> So we will need to define your use of the word 'filter', and it would 
> be very helpful to know what software package you are using.

And possibly about which one you are concerned?

>
> As far as server-side (filter) subscriptions, there are none required 
> for an IGate, and it is strongly recommended to start out with that 
> field blank, in your IGate client.
> What might go in there is a very limited list of 'buddies' who might 
> get VIP treatment for some reason. Or very specific weather alerts. 
> But you need to learn a lot about that before swamping the RF side of 
> things.

This is not a valid general statement.  APRSISCE/32 supports a filtered 
APRS-IS feed for local display without gating anything but messages 
addressed to recently heard local stations from the -IS feed to the 
local RF environment.  Before making statements like blank filters for 
IGate clients, it would help to know to which APRS software is in use.

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

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