Harry Krause wrote in message
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Was this one of those ELF antennae that also went deep into the ground?


I am not sure how deep into the ground they were, but there was an array of
wires buried from the base outward from the tower, like the spokes of a
wheel. As I recall, there were also smaller, 800 ft towers in a rough circle
surrounding the 1200 footer that supported radial antenna wires from the
1200 footer. For the ham enthusiast, the 1200 foot tower was the inductive
component and the parallel arrays where the capacitive component of the
antenna. The transmitter was a million watts and coupling from it to the
antenna was accomplished in a "helix" house with a huge, tunable coil. It
was used to communicate to submerged subs.

It has all been torn down now, but for many years the ELF transmitter site
at Annapolis and another one in Cutler, Maine were the only means of world
communications with deployed subs.

Eisboch (full of useless information)