gravity wrote:
and I can send sos with spark gap off a batery without knowing anymore
than that

your engineering skill is formidable.
possibly it is certainly more valueble the the mereknowledge of Morse
code is without the level of engineering skill I have

BTW I note myone of my double majors was Physics and a phisists can
general anything the various engineers can we just take a lot longer to
do it (and make more mistakes than tsomeone trains to think inside the
box of a given engineering type

Gravity