an_old_friend wrote:
dxAce wrote:
Direction finding.
that works if and only if you know where KB9RQZ is located.

Well, in 1960 there was no KB9RQZ, but I'm sure the Russkis could've
located some Callbooks if they were interested :-).

Of course today we have Broadband-over-power-lines and IBOC so any kind
of long-range direction-finding on HF is presumed impossible.

Tim.