Fergus Kyle
Joined: 03 Jun 2007
Posts: 291
Location: Burlington ON Canada
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 Posted: Tue Dec 02, 2008 7:18 pm Post subject: APRS for aircraft |
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Lincoln,
Sorry to be so late to reply to your question of utilizing APRS for flight positioning – my computor go doodoo.
I haven’t searched out all the answers you received but noted fairly early that no one mentioned that it is purely an licensed Amateur Radio function. That is, you must be licensed to utilize 144.39MHz as a Ham. Like so many other things devised and made to work by hams and then copied for profit, APRA is the brainchild of W4APR who first fixed a transmitter into the football hat worn by the Navy players as they progressed from the Navy college up to the Army college for the annual ball game.
He had applied his transmitter onto Navy cars accompanying the runner previously but managed a miniature form for the runners helmet. Having given the idea broad freedom, he saw hams apply it to their cars and other vehicles, eventually to their aircraft. It is possible now to send your details directly through the email system to your computer and file same as a flight log of sorts.
As someone else wrote, the end of your trail is either an airport, airfield or your crash site. PRBs will do the same thing and UPS traces your truck by means of a commercial copy, so it’s not new. It was inevitable that someone would copy the idea onto a commercial frequency and sell it. Like most things, you can do it free with difficulty, or just pay every time otherwise.
Ferg
Europa 914 Classic
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