[Milsurplus] Garage door openers

[Ralph Cameron]

This reminds me of the very strong garage door jammer that operated in downtown Ottawa last year. With all the government sophisticated DF equipment they couldn't locate the source but every garage door opener for 20 miles radius was knocked out. Even the local embassies had trouble and there are quite a few here. 

That frequency range has military as primary use in Canada but it is shared with other users. 

After all the excitement died down it was attributed to a ,"...new U.S. military system" but failed to elaborate. 

Didn't Pres. Nixon's Air Force One cause similar problems when he flew home to Calif.  All the neighbours knew he was coming because their garage doors operated. Sort of a distant early warning system. 


73 

Ralph Cameron
VE3BBM
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