I read in !emc-pstc that Ken Javor <[email protected]> wrote
(in <20020101193617.STGC6581.femail3.sdc1.sfba.home.com@[65.11.150.27]>)
about 'EMC-related safety issues', on Tue, 1 Jan 2002:
> The
>standard navigational aids: ILS, TACAN and VOR all have simple modulation
>schemes.  ILS receivers have sensitivities on the order of -90 dBm, TACAN is
>-80 dBm, glide slope -60 dBm and marker beacon -50 dBm.

Yes, that's what I had in mind. Surprisingly vulnerable.
-- 
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk 
After swimming across the Hellespont, I felt like a Hero. 

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