On 28/07/13 19:16, Bob Camp wrote:
Hi
If we are now down to a truck sized / house sized area, I'd claim that Loran-C
is dead simple to jam. That's what the truck stop gizmos are aimed at.
There where truck-sized spare transmitters to be utilized in failure/war
as I recall it.
The main reason LORAN-C was "hard" to jam wide-area, was that it would
require a large antenna for good transmission properties, and that would
be easy to detect and take out. DFing would also be possible, as such
work has already been done in LORAN-C (recall the search of the false
transmitter of the coast of Texas).
For smaller area, you can use a smaller antenna with worse performance
but still achieve the goal.
Cheers,
Magnus
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