Ha, it had to be somewhere. The last I recall hearing "megacycles" was in Bond movies from the 1960s. Wikipedia says this was 1960: https://en.wikipedia.org/wik

Ha, it had to be somewhere. The last I recall hearing "megacycles" was in Bond movies from the 1960s. Wikipedia says this was 1960: https://en.wikipedia.org/wiki/Hertz#History https://en.wikipedia.org/wiki/Hertz#History You can see why I say Title 47 is crusty.