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>>>My son called from Gettysburg area- the GWEN tower had returned back to normal (white strobe light) >>>Last night (5/19), the light was back to flashing red. ---------------------------------------------------------- I do know they have tests scheduled in Alaska because of all the jamming and hacking incidents. Maybe GWEN is running tests too. See Below: NOTICE OF PROPOSAL to Conduct Global Positioning System Noise Jamming During Exercise Northern Edge 2004 Aeronautical Study 04-AAL-011NR During the next planned Northern Edge Exercise the US Air Force will be jamming the GPS signal to provide necessary military training to their pilots conducting Air Operations in Restricted Area 2205 about 25 miles east of Fairbanks VORTAC. The jamming is to take place from June 4, 2004 through June 11, 2004 at the times posted on the attached chart depicting the area. Note: SUAIS including VHF transmitter/receiver, radar, recording, and telephone capability will be operational during the GPS jamming. Any pilot requiring the GPS system for emergency use during this period can have the jamming stopped by requesting through FAI AFSS, Anchorage Center, or SUAIS frequency. Also, Air Force will ensure that the proper NOTAMS are issued prior to their operation. If you have any questions please contact Joe Rollins, AAL-533, (joe.rollins@faa.gov), 907-271-5865. The purpose of this notice is to invite interested persons to submit, in writing, any comments they may have regarding the overall aeronautical aspects of the proposal presented in this notice. Comments, which provide the factual basis supporting the views and suggestions presented, are the most helpful. Your review of this proposal will be appreciated. Concurrence may be indicated by an email, fax, or letter. If you desire to object to the proposal, please state your objection in a separate letter. Persons wishing to comment should submit correspondence to: Federal Aviation Administration Manager, Operations Branch, AAL-530 Aeronautical Study 04-AAL-11 NR 222 West 7th Avenue, Box 14 Anchorage, Alaska 99513-7587 or email: joe.rollins@faa.gov Comments received on or by April 30, 2004 will be considered before final action is taken on the proposal. The proposal may be changed in light of comments received. This notice may be reproduced and recirculated by any interested person. Persons interested in being placed on a mailing list (electronic or hardcopy) for future Notices should submit a request to the Federal Aviation Administration at the address (or via email) listed above. Anthony M. Wylie Manager, Operations Branch, AAL-530 Issued in Anchorage, Alaska on March 15, 2004 ne2004.jpg A case of GPS jamming by a computer-test failure "Peter B. Ladkin" Mon, 27 Apr 1998 13:58:11 +0200 A colleague has pointed out to me that a confirmed case of significant GPS jamming is related at http://www.fcw.com/pubs/fcw/1998/0413/fcw-frontgps-4-13-1998.html

Yuck. Sorry for the unformatted post.

Hmmmmm.

That is comforting.

(I was wondering if we (US) had concern for AQ ability to jam GPS--with or without Russian assistance- so we also wanted the GWEN system activated as a backup.)

Sorry if this is already talked about here but just in case it isn't (and I don't have time to read the thread) -- Al Qaeda navy thread. It's pretty interesting.

Imagine if these rogue ships could take over by force an innocent ship at sea and come into our ports to blow them up.

I can't get that url to work. Is this correct?

http://www.fcw.com/pubs/fcw/1998/0413/fcw-frontgps-4-13-1998.html