Same type of school setting, allowed to do everything, use tallerscope, (and had to unearth the out riggers), wiring leads and lanterns, even built 8 foot high staging platform out of scaffold bits that we had lying around.
True, in 1980's I was working with valve PMR transmitters / receivers, in 1990's I was working with Kilosteam Multiplexers & DEC Servers, 2000's, GSM (2G) phone networks, 2010, Command & Control Systems based on Win XP machines, all now technology that is either gone or going. 2020's, 4G LTE.
There is a need to continually update skills, even in the profession you are working in, crossing between industries unless you are at CEO / Director level is difficult.