re police radar just how does it work in article afge wb dvu juts ccc amdahl com dws p ps cd amdahl com david sharpe writes there are a few more details to radar and some rumors that are not true a common one is that two beams are sent one reading the car speed and one the ground speed if this were true then calabration would be murder hope this helps flame on gee then i guess the extra horn that s mounted in the floor of some sdpd cars firing at the ground at a shallow angle is just for show huh for calibration they simply turn off one horn or the other jamie hanrahan kernel mode systems san diego ca internet jeh cmkrnl com uucp uunet cmkrnl jeh cis
