In message , Martin
H. Eastburn writes
That sounds harsh! And I might point out dangerous.

The seal on a microwave is critical and one of the federal requirements.

Only if you don't know what your doing.

It is not uncommon to rip the magnetron out of a microwave and utilise
it for Amateur radio. Most microwaves operate on a frequency of 2.45GHz
or a wavelength of 4.8 inches.
--
John