Poul-Henning Kamp wrote:
In message <[email protected]>, Magnus Danielson writes:
[email protected] wrote:
L1, L2, L3, L4 and L5 jammers is off the shelf. Not particular
efficient, not to speak of L3 and L4 being of no significant use.
Not to mention the fact that there is a good probability that
GPS and Galileo will jam each other, degrading both signals more
than the benefit of having twice as many birds will be able to
compensate for...
That particular aspect have been in deep investigation, and so has the
M-codes. Their similarity in strength and code separation make the
effect less than the gain you get. The BOC code aids to insert signal in
the null of the L1 code which causes additional spectral/code division.
Cheers,
Magnus
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