Behold, Doug Smith W9WI signaled from keyed 4-1000A filament:

I'm not sure whether the 5,950 kHz figure in 73.701 has been amended to
accomodate the tropical-band stations like WWCR, or if WWCR etc. has a
waiver to allow use of the lower frequency.)

It would make sense, especially in the west where the mountainous regions
would benefit from the larger groundwave coverage of the upper MW/lower SW
bands.


--
Gregg
*Perhaps it's useful, even if it can't be SPICE'd*
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