[time-nuts] Jamming GPS

[EWKehren at aol.com]

Having followed the discussions on GPS jamming I have to question if this  
is a safe forum for such open info. In the wrong hands it allows the wrong  
people to cause serious problems.  Bert Kehren
 
 
In a message dated 11/16/2009 10:18:39 A.M. Eastern Standard Time,  
wpxs472 at gmail.com writes:

All the  discussion regarding jamming GPS has been very interesting. Because
it is  spread spectrum, I always assumed it would be difficult to jam GPS.
The  Monterey Bay incident indicates that it is extremely easy to jam GPS.
So,  as soon as another project is out of the way, I intend to do  some
experiments, more of a practical than scientific nature. I have a  Z3801 and
Tbolt to start with. I would also like to experiment with a hand  held and a
GPS enabled cellphone. To prevent unintended interference,  signal levels
will have to be carefully controlled and transmission time  will have to be
kept short. I want to try CW as well as modulations of  varying types. Any
suggestions as to the most effective modulation type to  try?
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