On 30/07/13 16:03, J. Forster wrote:
I think the largest concern about jamming is for civilian uses, rather
than military, mainly because military receivers are designed and built to
be more immune. Also, military systems are far more likely to have good
grade INS.
Furthermore, there are probably a couple of orders of magnitude more
civilian systems in use.
The military receivers have not only better resistance than the average
civilian, but also enjoy the access to the PPS service, i.e. the keyed
signals which has greater capability in surpressing jamming signals.
With modern receivers even having the capability to lock directly into
the P(Y) signal without use of the much more vulnerable C/A code which
is the traditional way of locking into P(Y).
Cheers,
Magnus
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