[aprssig] neat project?

[Robert Bruninga]

> Guys, does this sound like right up Bob Bruninga's 
> alley?  Hotwheels (mattel) makes a radar gun sold 
> at walmart and the like for about $20 to $30.  
> Wouldn't it be cool to hack it to get the doppler 
> shift out as a 0-5v voltage and have a PIC measure 
> the speed of traffic.  Then drop them on the side 
> of the road at pinch points and transmit the traffic 
> on aprs! 
>  
> http://www.edparadis.com/radar/


Exactly!  That was the APRS plan back in 1996 or so when we
first introduced the APRS sign-post SYMBOL.  To show the speed
of traffic past a point.  I never had time to develop a good
sensor.  Google APRS TRAFFIC.TXT

http://www.ew.usna.edu/~bruninga/aprs/traffic.html

Bob, WB4APR