[time-nuts] Lightsquared questionfor SFO area....

[bownes]

Interesting that they use jammers. The guys on the ambulances just wrap the antennas with the foil from burger wrappers or the like. 



On Jul 28, 2012, at 0:34, Jim Lux <jimlux at earthlink.net> wrote:

> On 7/27/12 6:42 PM, Brian, WA1ZMS wrote:
>> Does anyone know if there is ANY recent active Lightsquared testing taking
>> place in the SFO area of the US?
>> 
>> 
> 
> Very unlikely.. they've lost their experimental license.
> 
>> 
>> I'm dealing with a day-job issue with GPS clocks in the Bay Area showing
>> "GPS unlocked" errors from 3rd party equipment.
>> 
>> 
> 
> 
> there are myriad sources of interference out there.  Jammers are a BIG problem in urban areas (truckers and cab drivers use them to defeat their GPS based tracking systems and time clocks).
> 
> there's a great set of articles over the past few months in GPS World about it.
> 
> 
>> 
>> 
>> 
>> 
>> 
>> -Brian, WA1ZMS
>> 
>> 
>> 
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> 
> 
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