[aprssig] Announcing Events - Etiquette

Andrew P. andrewemt at hotmail.com
Sat Jan 25 14:38:00 EST 2014

Hmmm.... if this would be so useful in UIView, what about in the more modern APRS clients?

Something to add to my project list....

Andrew Pavlin, KA2DDO
author of YAAC ("Yet Another APRS Client")

> Date: Sat, 25 Jan 2014 14:34:02 -0500
> From: wa8lmf2 at aol.com
> To: aprssig at tapr.org
> Subject: Re: [aprssig] Announcing Events - Etiquette
> On 1/25/2014 1:08 PM, Mike GM1WKR wrote:
> > Hello,
> > I am looking for some opinions and guidance on the best (least annoying) way to
> > announce one-off events such as Ham Conventions on APRS (focusing on RF).  I am
> > writing a Python thing which will be released (eventually ;-) so don't want to
> > produce something that may cause problems in busy/active RF areas.
> > My thought is to announce using Bulletin format while the event is far off and
> > then switch to a posit object as it becomes 'more current'.  Just prior (as
> > mobiles are converging) the Talk-In frequency would be sent.  During the event
> > the frequency object would be rolled back as not to hog the RF Channel.
> > I am working on the following ...
>       <SNIP>
> > Thanks in advance,
> > Mike
> > GM1WKR
> I'd love to have something like this as a UIview plug-in.
> I would also use something like this with a less aggressive schedule for 
> monthly club meets.  In the past, I have used M0CYP's "APRS Events" UIview 
> plug-in for this purpose, but it only sends bulletins.    It would be really 
> nice to have something that can also send objects with positions.
> In the past, I would have APRS Events start sending the bulletins about 36 
> hours before a monthly club meeting.  This would ensure that commuting mobiles 
> would have 4 chances  (AM and PM the day before, and AM and PM the day of the 
> event) to see the bulletin for a meeting starting at 7 or 8 PM.
> I would prepare a list, a year in advance, of the monthly meeting dates for 
> about 4 different ham clubs that were all in the footprint of a specific nearby 
> digipeater.  Month after month, APRS Events would automatically send the 
> bulletins out on the right days from my UIview igate/digi/webserver.
> [Because APRS Events was constructed as an application that linked to the AGWpe 
> interface, you didn't actually need UIview at all.  Events could share a 
> hardware or software TNC along side other apps also using the AGWpe interface.]
> I would set the digipeat path to the actual call of a specific digi, not a 
> generic WIDEn-N, to ensure that only the relevant part of the greater Los 
> Angeles area would be covered.
> If I could have done it, I would have sent objects starting about  24 hours 
> before the event at about once every half hour. This would increase to around 
> once every 10 mins starting about 3 hours before the event, with an object kill 
> about halfway through the expected duration of the event.  I.e. if stragglers 
> haven't shown up by halfway through the meeting, they probably aren't interested.
> o    Make the app talk to the AGW Packet Engine API.
> on   Allow digi paths to be specified individually for each event/meeting so 
> digipeater coverage can be tailored to be relevant to the specific event.  I.e 
> one might use SSn for a state convention, but an explicit DIGICALL for a local 
> monthly club meeting.
> o    Interface should solicit the date & hour of the meeting or event. Date 
> ideally should be a fully-formed YYYY-MM-DD format so events could potentially 
> be loaded years in advance.  The ultimate elegance would be the kind of popup 
> clickable mini-calendars you see on AIRLINE-MOTEL-CAR reservation sites.
> o    It would then ask "How many days in advance should bulletins begin", "How 
> many hours in advance should infrequent objects begin?", How many hours in 
> advance should frequent objects begin?", and "How many hours after start should 
> KILL OBJECT (and end of beaconing)be sent?".

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