[aprssig] APRS Local Info Initative TM-D710A compatibitility
Lynn W. Deffenbaugh (Mr)
ldeffenb at homeside.to
Thu Apr 26 20:42:18 CDT 2012
That sounds more promising, but if you're putting them on RF for
travelers, then I wish you'd consider putting them on APRS for all
travelers. There's more APRS users than just APRS RF radio owners, and
I'm sure some of us would appreciate seeing them beacon on our mobile
APRS-IS clients as well.
Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
On 4/26/2012 8:21 PM, Ron Stordahl, AE5E wrote:
> Actually I didn't mean to imply keep ALL of the object packets off of
> APRS-IS. What I was trying to emphasis is that these are primarily
> local in application. What I actually do is to send them locally with
> NOGATE every 10 minutes and then send one every 30 to 60 minutes to
> The radio object packets are not digipeated, certainly not out several
> layers where they would be QRM. On my recent road trip I heard voice
> repeater objects from several hundred miles away. It could be that
> some sysops don't realize this is pointless.
> Ron, AE5E
> *From:* Lynn W. Deffenbaugh (Mr) <ldeffenb at homeside.to>
> *To:* "Ron Stordahl, AE5E" <ronn5in-aprssig at yahoo.com>; TAPR APRS
> Mailing List <aprssig at tapr.org>
> *Sent:* Thursday, April 26, 2012 3:43 PM
> *Subject:* Re: [aprssig] APRS Local Info Initative TM-D710A
> On 4/26/2012 4:10 PM, Ron Stordahl, AE5E wrote:
>> As such it does have to be sent frequently, perhaps every 10
>> minutes, but the path should be such that it does not end up on
>> the APRS-IS network nor digipeated far far away. You can keep it
>> off of APRS-IS by terminating the path with the string
>> ',NOGATE'. IGates which are working correctly will not send such
>> a packet to the internet. The path itself should be short,
>> perhaps only NOGATE so that no area digipeater will repeat it.
> Why keep such objects off the APRS-IS? If I'm planning a trip
> into an area, I'd like to be able to scope it out in advance and
> see what the radio infrastructure might be there via aprs.fi
> <http://aprs.fi> (or your favorite APRS Internet site).
> Alternatively, if I'm using a contemporary APRS-IS client to see
> the surrounding infrastructure and have a voice-only radio, why
> hide the repeater objects from my visibilty?
> You're actually adding path length for NOGATE and could shorten
> the packet by 7 over-the-air bytes if you just let the
> APRS/APRS-IS work as designed instead of trying to keep packets
> "private" for some reason.
> Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
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