[Milsurplus] SID 12/7/41

[Marty Reynolds]

Not widely known is a Sudden Ionospheric Disturbance happened
concurrent w. Pearl Harbor

Army hf system failed to deliver news to DC until 4P & that was
via RCA Radiogram

I think that's p/o reason VLF still there.

BTW, note table

   f        owner  call      qth    pwr    keying
  24       USN   NAA   Cutler 1mw    msk
  24.8    USN   NLK    Jim C  250k   msk
  25       USN   NML      *      500k    msk

       *LaMour, ND

Also way to tune up for SAQ