At 01:23 PM 9/18/2002 -0700, Morlock Elloi wrote: > > Better than a radar detector for emissionless, but visible, cops. Over > > the hill coverage. Issues of > >This will be banned under WIPO and copyright laws - you may enjoy cop's >presence for yourself, but transmitting it is same as broadcasting a live show >without permission - after all, the all information cops emit is "present or >not", so you, in essence, steal 100% of their IP. > >Due to a number of various radio equipment that armed people use, and >characteristic signatures, it's often more than enough to listen on several >frequences and match the spectral fingerprint to detect their presence (car >radio, personal radio, etc.) > >I think that some radar detectors have this built-in. The main problem is >localisation - each district seem to be using different frequences. Could >it be >that They are aware of dangers of the monoculture ?
All the freq. vs. locality data you need is in the public record and available (or was) for download from the FCC. Add a GPS to the SDR and there you go. If you want to start a new SDR project go to http://www.gnu.org/software/gnuradio/gnuradio.html and sign up. steve
