[aprssig] APRS vs. SPOT
Stephen H. Smith
wa8lmf2 at aol.com
Wed Sep 7 13:02:05 EDT 2011
On 9/7/2011 12:43 PM, Keith VE7GDH wrote:
>
>
> You can go out into the boonies now and beacon every minute and
> sometimes, you will be picked up by the ISS.
Not exactly hand-held, but you CAN go out into the boonies virtually anywhere
in North America and beacon on 30 meters HF APRS with a nearly 100% change of
getting igated.
A small HF rig like a Kenwood TS-50 and a 30M Hamstick whip (lightweight enough
to temporary-mount on a vehicle with a heavy-duty monster mag-mount) works well
with a sound card "soft TNC" on a cheap netbook PC. The continent-wide
system of HF igates pretty much ensures that SOMEONE somewhere will hear you
and pass your packets to the APRS-IS, regardless of propagation or time of day.
Details here:
. <http://wa8lmf.net/aprs/HF_APRS_Notes.htm>
. <http://wa8lmf.net/APRS_PSK63>
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Stephen H. Smith wa8lmf (at) aol.com
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===== Vista & Win7 Install Issues for UI-View and Precision Mapping =====
http://wa8lmf.net/aprs/UIview_Notes.htm#VistaWin7
*** HF APRS over PSK63 ***
http://wa8lmf.net/APRS_PSK63/index.htm
"APRS 101" Explanation of APRS Path Selection & Digipeating
http://wa8lmf.net/DigiPaths
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