I knew a guy who wanted me to fix up an old S-40 for him to prepare for such
a day. I asked him how he was going to run it. He said a vibrator inverter
would convert a storage battery to 120 volts. I asked him how he was going
to charge the storage battery. He said solar panels. I then mentioned that
since solar panels were semiconductor junctions, they would all fail when
the radios failed.

I think the hand crank would be the option. But, you can only crank so long
until you tire out. The military hand crank systems are so tiring to
operate that someone has to be shooting at the cranker before he cranks.

73, Colin K7FM