[Milsurplus] R-584 / MRC-20

[Unserviceable but Repairable]

>And,. in fact, is still in use on overseas flights
 to this very day.

And how

Great circle fm NE USA to England out of line-of-sight VHF* 2-way
for about 2 hrs.  So plenty of SSB scheduled SSB traffic

Freq.s (fm web): 5616, 5598, 8879,

   'rm

*pretty sure repeater satellites employed