[time-nuts] The Demise of LORAN (was Re: Reference oscillator accuracy)

[J. Forster]

I just put "jamming GPS" into Google, and got about 348,000 hits.

-John

============


> After reading all the responses on this thread, all I can think
> of is the numerous ideas you folks have given some whackjob out
> there.
>
> Keep up the good work.
>
> 73, Dick, W1KSZ
>
> -----Original Message-----
>>From: Chuck Harris <cfharris at erols.com>
>>Sent: Nov 15, 2009 9:51 AM
>>To: Discussion of precise time and frequency measurement
>> <time-nuts at febo.com>
>>Subject: Re: [time-nuts] The Demise of LORAN (was Re: Reference
>> oscillator accuracy)
>>
>>I guess the point you folks aren't getting is you can make a very
>>effective local GPS jammer that runs off of a 9V transistor radio
>> battery,
>>and will last for several weeks.  It can be done for a total cost of
>>a few bucks per jammer.... search the web, the designs are out there.
>>
>>Toss the GPS jammers indiscriminately around the landscape, and you put
>>GPS out of business for a very low cost.
>>
>>-Chuck Harris
>>
>>Mike Monett wrote:
>>>
>>>   It should  be easy to locate a jammer. Go to the area where  the GPS
>>>   signal is being jammed. Drive in some direction until the  signal is
>>>   regained. Repeat to find three locations where the signal is lost.
>>>
>>>   Three points define a circle. The diameter tells the strength of the
>>>   jamming signal. The center defines the location.
>>>
>>>   Once you are near the center, ordinary DF techniques  should quickly
>>>   identify the source.
>>>
>>
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