[aprssig] HF options

Henry Wolcott ka1wts at yahoo.com
Thu Dec 20 10:47:49 EST 2007

One suggestion is to use NVIS antennas for those short HF hops.That's Near Vertical Incidence Skywave. Google will give you all the info.

Hank  KA1WTS

Scott Miller <scott at opentrac.org> wrote: I've had an inquiry about a project that would involve linking fixed 
APRS stations at intervals of maybe 50 km, with not much chance of 
digipeaters.  Without favorable terrain, that seems a little doubtful 
for direct VHF.

I've done very little HF myself in the past decade, and I've never 
worked HF for local (relatively speaking) communications.  Can anyone 
suggest bands and equipment that would work well for this, assuming 300 
baud AFSK is used?  Power consumption is a major concern.



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