Magneto-tellurics On Mon, 12 Nov 2001, Greg Broiles wrote:
At 07:50 AM 11/12/2001 -0800, Major Variola (ret) wrote:
But you missed the mil 4-engine cargo-type plane towing a wire held in a trailing Y config by two mil copters flying in tight formation behind it, circling SF. Yes, I wouldn't have believed that was possible without having seen it.
Maybe they were mapping too.
They overflew San Jose and Santa Clara, too, headed westbound.
What would a trailing wire like that measure or receive? My limited understanding of RF says it'd be good for picking up very low frequency emissions or transmissions - but I don't know of any sources of those that I'd expect to be of interest, other than those used by US subs and I'm sure they have better ways to pick those up.
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