[time-nuts] GPS Usage

Poul-Henning Kamp phk at phk.freebsd.dk
Wed Mar 9 08:33:52 UTC 2011


In message <20110309082926.D5F9F80003B at ip-64-139-1-69.sjc.megapath.net>, Hal Mu
rray writes:

>phk at phk.freebsd.dk said:
>> The reason LORAN-C got killed was that DoD/DHS couldn't jam it if a
>> terrorist with a suitcase-nuke was trying to find his way to Congress. 
>
>Why can't they jam it?

They can, All the need is 3 truck mounted generators, a truck with
the electronics and then drape a superconducting loopantenna over
a couple of skyskrapers...

DHS was concerned this would not be "immediately available" in an
emergency, whereas pretty much any army or air-force base can deliver
GPS jamming on minuted notice.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.




More information about the Time-nuts_lists.febo.com mailing list