[aprssig] ON TOPIC: aprs sound track
Wes Johnston, AI4PX wes at ai4px.comThu Sep 6 15:42:58 UTC 2007
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Anyone ever send 1200baud positions from a tiny trak into the audio input of an ATV transmitter? I figure some of you rocket or RC airplane guys have. I got a neat idea the other day. Mount the GPS to the top of a camera. Use the magentic compass on some of the fancier GPS units to show the direction a camera is pointing (not the gps calculated heading). If we fed the audio from an ATV reciever into a TNC, we could use an aprs client to show where the video was coming from. Ideally, you'd end up with an icon on the screen with a red line coming out of it indicating the fake heading (orientation of camera). The point to this is to have a camera that can pan around on a mobile platform. Now imagine using a nice map like google maps or teraserver photos to show the location of the plane... Wes PS Funny how we accept a DECIMAL money system (can any Americans imagine paying for something in 1/8fractions of a dollar or pound), but we can't accept measuring in 1/10ths 1/100ths or 1/1000ths of a meter (yard)? sheesh. American engineers figured that whole 10's thing out years ago. My wife's grandfather gave me a tape measure that is marked in 1/10s and 1/100ths of a FOOT from when he was in WWII. -- In theory there is no difference between practice and theory. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.tapr.org/pipermail/aprssig/attachments/20070906/59fac6e0/attachment.htm
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