I once upon a time did a bit of ham radio, and one of the things I was told
by the old guys was you could listen to any frequency u want, so long as u
don't transmit without the according permit/licence (except CB of Course!!)
so why is it legal to listen to cop voice frequencys (on scanners) but not
radar carriers? -Anyone know what frequencys the radars work on?
Also, car radios and CB radios have oscillators in them too, so when the cop
accuses u for having a radar detector, tell him he must be picking up the
PLL in the Radio! ;)
>From: Adam <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: [EMAIL PROTECTED]
>Subject: Re: [Re: nokia radar detector]
>Date: Tue, 21 Nov 2000 17:50:25 +1000
>
>They can pick up your radar detector about 10 metres away depending on its
>power. So they know your have one when the signal stops after they pass
>you. They leak out the same place the signal comes in. So you cannot
>shield them and keep them working. They are transmitters and receivers of
>about the same efficiency. The only ones that are stealth are ones which
>contain multi stage mixers in them, ie shift the signal from 4GHz to 70MHz
>then to DC, these are more expensive than the simple diode detectors
>mentioned below. To make the simple diode ones stealth they reduce the
>gain in the receiver circuit but this makes them less sensitive meaning you
>have to be closer to the police to detect them.
>
>At 05:18 PM 21/11/2000 +1000, you wrote:
>>Those detector detectors would have to be pretty sensitive if thats how
>>they
>>work. Maybe you could get some aluminium box and lead sheet action
>>happening.
>>
>>----- Original Message -----
>>From: Thomas <[EMAIL PROTECTED]>
>>To: <[EMAIL PROTECTED]>
>>Sent: Tuesday, November 21, 2000 2:40 PM
>>Subject: Re: [Re: nokia radar detector]
>>
>>
>> > On 21 Nov 00 09:11:36 EST, you wrote:
>> >
>> > >Something that was interesting in ther article though is that the
>>police
>>say
>> > >they can detect when a radar detector is being used, how can they do
>>that? Any
>> > >of you insiders got some thoughts on this ?
>> > >
>> > Its the leaky diodes in the detectors oscillator circuit that the radar
>>detector detectors
>> > pick up, due to insufficent sheilding of the detector as far as I know.
>> > se ya.
>> > Thomas
>
>
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