[time-nuts] Story in the Economist about GPS jamming

[Lester Veenstra]

Exactly what do you mean by "... based in LEO has a relatively high risk
profile from the Universe/hostile activity/spoofing and jamming..."?

Other than a LOS, in a jammers immediate area, GPS is not subject to
jamming, and for the critical users, ie, the DOD, very difficult to jam,
even in a LOS.

The LEO makes it harder to jam since the received signal strength is higher
than would be practical from GeoSync orbit, not easier,  as is implied my
Mr. McGraths comment.

Lester B Veenstra  MØYCM K1YCM W8YCM
lester at veenstras.com

US Postal Address:
5 Shrine Club Drive
HC84 Box 89C
Keyser WV 26726
GPS: 39.33675 N  78.9823527 W (Google)
GPS: 39.33682 N  78.9023741 W (GPSDO)


Telephones:
Home:                     +1-304-289-6057
US cell                    +1-304-790-9192 
UK cell                    +44-(0)7849-248-749 
Guam Cell:              +1-671-929-8141
Jamaica:                 +1-876-456-8898 
 
This e-mail and any documents attached hereto contain confidential or
privileged information. The information is intended to be for use only by
the individual or entity to whom they are addressed. If you are not the
intended recipient or the person responsible for delivering the e-mail to
the intended recipient, be aware that any disclosure, copying, distribution
or use of the contents of this e-mail or any documents attached hereto is
prohibited.