[Boatanchors] LightSquared

Francesco Ledda frledda at att.net
Tue Oct 9 17:10:26 EDT 2012


Anybody can buy a GPS jammer in China....  There, you can also battery
powered 4W LASERs....

It is totally crazy there.....



-----Original Message-----
From: boatanchors-bounces at mailman.qth.net
[mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of Jim Wiley
Sent: Tuesday, October 09, 2012 3:34 PM
To: revcom at wbsnet.org
Cc: boatanchors at mailman.qth.net
Subject: Re: [Boatanchors] LightSquared


Interesting to note that the FCC has just issued what amounts to a "Cease
and Desist" order to a guy selling GPS jammers.  See the following URL:

http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-12-1591A1.pdf


- Jim, KL7CC


On 10/9/2012 12:07 PM, revcom at wbsnet.org wrote:
> Could be that is why Garmin is now incorporating the Russian GLONASS 
> freqs in their new GPS recvrs?
>
> Nothing to do with boatanchors however........
>
> Rod
> KØEQH
>
>
>> The signals coming in to a GPS receiver are in the range of a few 
>> microvolts (millionths of a Volt).
>>
>> Signals from the LightSquared tranmitters show up at the GPS receiver 
>> HUNDREDS, maybe THOUSANDS, of times stronger!
>>
>> Even if they are not at the same frequency, the GPS receiver simply 
>> collapses from overload and quits providing location information.
>>
>> And yes, GPS reception in a fairly small area is easy to do.
>> Think of the problems a half-dozen jammers around any major 
>> metropolitan airport or military air field could cause!
>>
>> And the FAA is in the process of turning most all flight control over 
>> to GPS! Un-friggin'-believable. And the "suits"
>> will NOT listen to folks with practical experience. Disaster just 
>> waiting to happen!
>>
>> SHEESH!
>>

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