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And why do people (appear to) think that the only purpose of the IS system is to log position reports? When on the road, APRS-IS is also the conduit to email and instant messaging with the Muggle world, via the email/email2 and WinLink systems. I would think that Messaging and SMS over HF could be quite useful when way off the beaten path, especially if bi-directional.<br><br>Greg KO6TH<br><br><br>> Date: Mon, 21 Feb 2011 06:24:56 +1100<br>> From: vk2tv@exemail.com.au<br>> To: aprssig@tapr.org<br>> Subject: Re: [aprssig] APRS on HF<br>> <br>> So I'm still struggling to see what the point of HF APRS is other than<br>> allowing people out of range of VHF digis and gateways to get their<br>> position reports into aprs.fi.<br>> <br>> Does there *really* need to be another reason?<br>> <br>> Ray vk2tv<br>> <br>> <br>> <br>> On 21/02/11 00:51, Julian, G4ILO wrote:<br>> > Hi Jim.<br>> ><br>> > I don't think I am guilty of this misconception as I am well aware<br>> > that APRS is intended for giving information about the local situation<br>> > but that was one of the main reasons for my question because you don't<br>> > get any *local* information on HF.<br>> ><br>> > I have listened on the Net14 frequency a couple of times but without<br>> > any mobile traffic I didn't find it very interesting as there wasn't<br>> > much going on. Once you have sent a greetings message to the other<br>> > people who are on what else is there to do? There are other ways to<br>> > have such QSO's on HF. I do use APRS messaging a lot on VHF but that<br>> > is because I know other local APRS users on VHF so we often have<br>> > things to say to one another and in our mountainous area we often<br>> > can't talk direct.<br>> ><br>> > In response to Stephen's comment about RX-only gateways breaking<br>> > messaging that's true but when considering HF I don't think there are<br>> > many occasions when someone wants to message someone they don't know<br>> > 1,000 miles away. Most of the messages I have seen have been direct<br>> > "hello" messages between gateway operators or APRS queries. If someone<br>> > is driving through an area beaconing on HF the people on VHF APRS in<br>> > the area probably don't even know he is there, and he won't be<br>> > receiving any local information over the HF channel (though thanks to<br>> > the French cross-band gateways he may be receiving information about<br>> > things hundreds of miles away.)<br>> ><br>> > So I'm still struggling to see what the point of HF APRS is other than<br>> > allowing people out of range of VHF digis and gateways to get their<br>> > position reports into aprs.fi.<br>> ><br>> > Julian, G4ILO<br>> > G4ILO's Shack: www.g4ilo.com<br>> ><br>> ><br>> ><br>> ><br>> ><br>> ><br>> ><br>> ><br>> > On 20 February 2011 12:46, G0JXN Jim<g0jxn.jim@ntlworld.com> wrote:<br>> >> Hi Guys<br>> >><br>> >> Julian, there is this misconception that APRS is only suitable to use for<br>> >> "Position Reporting". Net14 has been setup with the objective of<br>> >> establishing a World Wide APRS Net for the purpose of communication by the<br>> >> exchange of messages using APRS. The indication of a station's location is<br>> >> used only to indicate that the station is QRV. Considerations of tracking<br>> >> and propagation are secondary.<br>> >><br>> >> If you have not already done so I would suggest that you go to<br>> >> www.net14.org.uk and read through the Net14 Setup Section which explains the<br>> >> objective and methods to be use to achieve the objective.<br>> >><br>> >> On a personal note I see that you are not a member of the Yahoo Net14_APRS<br>> >> Group. If you or anyone else is interested in joining our Group there is a<br>> >> link on the above website Welcome page.<br>> >><br>> >> 73<br>> >><br>> >> Jim, G0JXN/MB7UXN<br>> >><br>> >><br>> >> _______________________________________________<br>> >> aprssig mailing list<br>> >> aprssig@tapr.org<br>> >> https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig<br>> >><br>> >><br>> > _______________________________________________<br>> > aprssig mailing list<br>> > aprssig@tapr.org<br>> > https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig<br>> ><br>> <br>> <br>> _______________________________________________<br>> aprssig mailing list<br>> aprssig@tapr.org<br>> https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig<br> </body>
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