Mon, 13 May 2002 15:49:51 +0000
Do you know of any Xtal transceivers, maybe a kit, that
work at 10.151?
> At 02:29 AM 5/13/02 +0000, email@example.com wrote:
> >Anyone doing HF APRS? I have a list of questions!
> I was. Digi_ned has a "flaw" that doesn't lead it to act as a
> gateway like I was using, so lacking the time to fix it - I just turned
> things off for a while.
> >Are you using the 10.151 frequency?
> Yes. LSB. Actually 10.149.2 and 10149.4 (I think) for the
> mark and space frequencies.
> There is some European activity on 14.105 but the BBS operators
> on the same frequency are complaining.
> >How many watts minimum does it seem to require?
> I find little success at my minimum power of 10 watts. 20 to
> 40 seems much more reliable.
> >How often do you transmit? I'm thinking of doing this on
> >a boat...FYI
> How fast is the boat moving? 300 BPS on HF has much less
> bandwidth then VHF so it's good to be careful. Try every 20 or
> 30 minutes.
> >What rig are you using?
> I use an Icon 726 (725 with 6 meters). Any decent SSB rig should work just
> I'd hesitate to recommend something like the 5 watt 817.
> On APRS trick for HF. While you shouldn't use it on a regular basis, if
> there's a time when it's critical to get a packet out. Use a path of ECHO
> much like we use RELAY on VHF. All HF APRS stations should digipeat
> an ECHO packet.
> >Steve N0FPF
> Hope that helps...