Hal Murray wrote:
cfhar...@erols.com said:
What makes you think it needs to be CW, and cannot be pulsed and
chirped?
All it has to do is confuse the receiver enough so that you can't
trust its readings.
Why is pulse or chirp likely to be more confusing per W of jamming power?
Perhaps this reference will answer some of the questions present here:
http://www.navcomtech.com/Support/Download/Sapphire%20Jamming%20Test%20Report%208%20Jan%202007v3.pdf
One factor I have not seen anyone address is the effectiveness of
jamming as a function of the receiver state. A GPS receiver will be
much more susceptible to jamming when it is trying to acquire and lock
onto a satellite signal than it is after lock and tracking has been
achieved.
Bruce, WB9ANQ
--
Bruce Rahn
Wisdom has two parts:
1. having a lot to say; and
2. not saying it!
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