[aprssig] APRS on HF

Julian, G4ILO julian.g4ilo at gmail.com
Sun Feb 20 08:51:42 EST 2011

Hi Jim.

I don't think I am guilty of this misconception as I am well aware
that APRS is intended for giving information about the local situation
but that was one of the main reasons for my question because you don't
get any *local* information on HF.

I have listened on the Net14 frequency a  couple of times but without
any mobile traffic I didn't find it very interesting as there wasn't
much going on. Once you have sent a greetings message to the other
people who are on what else is there to do? There are other ways to
have such QSO's on HF. I do use APRS messaging a lot on VHF but that
is because I know other local APRS users on VHF so we often have
things to say to one another and in our mountainous area we often
can't talk direct.

In response to Stephen's comment about RX-only gateways breaking
messaging that's true but when considering HF I don't think there are
many occasions when someone wants to message someone they don't know
1,000 miles away. Most of the messages I have seen have been direct
"hello" messages between gateway operators or APRS queries. If someone
is driving through an area beaconing on HF the people on VHF APRS in
the area probably don't even know he is there, and he won't be
receiving any local information over the HF channel (though thanks to
the French cross-band gateways he may be receiving information about
things hundreds of miles away.)

So I'm still struggling to see what the point of HF APRS is other than
allowing people out of range of VHF digis and gateways to get their
position reports into aprs.fi.

Julian, G4ILO
G4ILO's Shack: www.g4ilo.com

On 20 February 2011 12:46, G0JXN Jim <g0jxn.jim at ntlworld.com> wrote:
> Hi Guys
> Julian, there is this misconception that APRS is only suitable to use for
> "Position Reporting". Net14 has been setup with the objective of
> establishing a World Wide APRS Net for the purpose of communication by the
> exchange of messages using APRS. The indication of a station's location is
> used only to indicate that the station is QRV. Considerations of tracking
> and propagation are secondary.
> If you have not already done so I would suggest that you go to
> www.net14.org.uk and read through the Net14 Setup Section which explains the
> objective and methods to be use to achieve the objective.
> On a personal note I see that you are not a member of the Yahoo Net14_APRS
> Group. If you or anyone else is interested in joining our Group there is a
> link on the above website Welcome page.
> 73
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