[aprssig] Item in mesage
bruninga at usna.edu
Mon Aug 16 11:14:35 CDT 2010
> Lynn W. Deffenbaugh (Mr) wrote:
>> Would it be "reasonable" or a mistake
>> to have an IGate that can detect these
>> ItemInMessage that is being gated to RF
>> based on the existing rules and actually
>> convert it to an Item packet over RF?
A mistake. We learned before that it is not good practice on
the APRS-IS to have clients make conversions, since there is
always some minor different intrpretation of something and then
we have multiple clients making the conversion differently and
then as those clients propogate throught APRS, then it becomes
impossible to fix ALL of these clients..
And we have to live with the problems for years until everyone
using the clinet upgrades or dies.
> It just occurred to me that the [conversion idea]
> doesn't solve an RF user sending one simplex to
> another RF user, but I have enough trouble manually
> formatting one to send to myself with a computer
> and keyboard, I can't imagine doing one with a
> spin knob and push button.
Yes, this format is for computer generated information to send
an object into an area usually at the request of an individual
in that area. Though for hardware radios, we suggest that
someone should be able to select any station/object in his
station list, and send it to another person he is messaging.
> > Robert Bruninga wrote:
> >>> There's a 2008 specification for Item-In-Message
> >>> (http://www.aprs.org/aprs12/item-in-msg.txt) as a way to
> >>> APRS object directly to an APRS recipient via an APRS
> message. I've
> >>> implemented this in APRSISCE/32...
> >>> .... which, if any, of the APRS RF devices actually
> >>> interpreting and displaying these Items?
> >> This is a very powerful technique for getting info TO APRS
> >> operators in the field. I'm so glad you are writing a new
> >> Windows client that can be upgraded as APRS moves forward!
> >> Good question. I have had it on my wish list for future
> >> and Kenwoods.
> >> Bob, WB4APR
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