[aprssig] Hamfest Objects with Kenwood Radios
Steve Noskowicz
noskosteve at yahoo.com
Thu Jun 17 15:51:14 EDT 2010
OK. Since I only have the D700 & D7 and don't do TNC/PC-client APRS, I only knew that there is an Object Packet and didn't know any more about it's capability.
Thanks
--
73, Steve, K9DCI USN (Vet) MOT (Ret) Ham (Yet)
--- Mr. Lynn W. Deffenbaugh wrote:
> Not necessarily injected to
> APRS-IS. APRS Object definitions are contained in the
> payload of an APRS packet and are not subject to the AX.25
> restrictions. Check out Bob's recommendations on how
> to configure a KPC-3+ and you'll see what I mean.
>
> Lynn (D) - KJ4ERJ
>
> Steve Noskowicz wrote:
> > Ahhh, OK. So anything seen above that limit has
> been injected directly into the APRS-IS and not on RF,
> right?
> >
> > --
> > 73, Steve, K9DCI USN (Vet) MOT (Ret) Ham (Yet)
> >
> > --- Geoff wrote:
> >
> >> It's not a limitation of the radios,
> >> but a limitation of the AX25 protocol
> >> used to carry APRS.
> >> The Callsign can only be 6 alpha chars with a
> numeric SSID
> >> between 0 and 15
> >> (-0 is the same as no SSID)
> >>
> >> Geoff VK2XJG
> >>
> >>
> >> -----Original Message-----
> >> From: aprssig-bounces at tapr.org
> >> [mailto:aprssig-bounces at tapr.org]
> >> On Behalf
> >> Of Steve Noskowicz
> >> Sent: Thursday, 17 June 2010 2:41 PM
> >> To: TAPR APRS Mailing List
> >> Subject: [aprssig] Hamfest Objects with Kenwood
> Radios
> >>
> >> --- Bob Bruninga wrote:
> >>
> >>> I prepared a web page to tell eveyrone how to make
> >>>
> >> such an object and how to use APRS in support of the
> Hamfest
> >>>
> >> and
> >>
> >>> Talkin:
> >>>
>
> >> www.aprs.org/hamfest.html
> >>
> >>
> >> Bob,
> >>
> >> For the D700, D7 and probably D710 the limit on
> SSID of
> >> <=15 requires a
> >> modification. The date digits can be split
> between
> >> the call and SSID.
> >> HFEST2-3 would be used for a Fest on the
> 23rd. I was unable to figure out
> >> a way to add the sequence byte, the "x" in your
> >> description.
> >>
> >> On my D7 I tried, but it wouldn't accept an "x"
> byte in
> >> other (quasi-suffix)
> >> locations such as: HFEST2-3A or
> HFESTA2-3. As
> >> long as all other Fest
> >> objects for that day have the format "HFEST-ddx",
> you're
> >> ok. However, if
> >> someone else has one on the same date and uses the
> D700 or
> >> D7, they will
> >> over-write one another on the APRS-IS.
> Locally, of
> >> course, there ok. It could be added as a
> pre-fix, but that destroys the
> >> TOCALL simplicity and
> >> precludes searching for HFEST* on the net.
> >>
> >> It's a shame restrictions were placed on the
> TOCALL on
> >> these radions.
> >>
> >> --
> >> 73, Steve, K9DCI USN (Vet)
> MOT (Ret) Ham
> >> (Yet)
>
>
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