for Jim Lux --
Thanks for the comments -
Yes, if the receiver is linear (e.g. say you do a sliding code
correlator and slide until you get the peak, with the correlator using
a
multiplier)...
That is how the system I did worked. It could defeat an on-frequency
jammer that
was 20 db
Hi Jim -
Thanks for the update on the modern GPS receivers. I was aware that the
modern ones
do not have a classical analog tracking loop, much less a bunch of them.
However it is a useful concept for purposes of explanation that you do
not need the 1 pps to
lock up the 10 MHz VCXO - which