One of my clients had exactly that problem with radar detectors in
parked cars interfering with its satellite earth stations. In that
case, the answer was about three years.
Did the FCC actually DO anything about these things ?
Yes, it eventually initiated a rulemaking and
On 1/9/14 12:20 AM, Joe Leikhim wrote:
GPS jamming, intentional or not is pretty serious, and the FCC takes
this seriously, but unless you have some pretty hard evidence they may
not find it.
In my case my most interesting outage was when I lost all GPS while over
the Atlantic ocean between
br...@lloyd.com said:
navigation system that is going up. For that matter, is anyone running one
of the new multi-system receivers? I notice that Garmin is selling them as a
matter of course now. The prevalence of jamming might be the reason why.
Aren't the alternatives using frequencies
On Thu, Jan 9, 2014 at 12:21 PM, Hal Murray hmur...@megapathdsl.net wrote:
br...@lloyd.com said:
navigation system that is going up. For that matter, is anyone running
one
of the new multi-system receivers? I notice that Garmin is selling them
as a
matter of course now. The prevalence
I wonder what the FCC does if it discovers it is another governmental
agency that is doing the jamming?
Probably not much since their charter does not allow them jurisdiction of other
federal agencies.
Your experience reminds me of the time I was on the beach in Key West and a matte black
The latest receivers are surprisingly resilient to GPS jamming.
We tried jamming effects on all sorts of different GPS units ourselves,
and the M12's go out right away for example, while the uBlox units are tough
to jam. The new generation 7 ublox with Glonass etc should be even harder
to
Hi Brian,
Thanks for the fascinating story!
For that matter, is anyone running one of the new multi-system receivers?
I hope to play with Resolution SMT GG which is the Multi-GNSS version of
the Desolution SMT.
What I'm keen to find out is which of the standard GPS diagnostic
software
I have had loss of GPS position on a 'hand-held' unit (Garmin GPSMAP 396)
when flying into PNS. When I switch to tower frequency (119.9 MHz) the unit
loses its position. I think it is related to some 'spur' related to the #1
Nav/Com (King KY197) being tuned to that frequency. If I replace the
On 1/9/14 7:53 PM, J. L. Trantham wrote:
I have had loss of GPS position on a 'hand-held' unit (Garmin GPSMAP 396)
when flying into PNS. When I switch to tower frequency (119.9 MHz) the unit
loses its position. I think it is related to some 'spur' related to the #1
Nav/Com (King KY197)
Hi,
This is a known problem. It's leakage form the local oscillator (LO) of the
Ky197. The KYa97 has a 10.7 MHz IF and high side local oscillator. So the LO is
119.9 + 10.7 = 130.6MHz. 12th harmonic is in the GPS bandwith.
Cure is a notch filer on the KY197 antenna connector. examples are a TED
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