27-10-2018, 01:52 PM
How about the signal from radio 4 long wave.
Just connect your counter to the sig gen with a T piece and a little bit of wire and listen to the beats with 198Khz on a radio.
Classic Marconi valve sig gens are stable enough to stay put for testing in this way for hours on end.
Just connect your counter to the sig gen with a T piece and a little bit of wire and listen to the beats with 198Khz on a radio.
Classic Marconi valve sig gens are stable enough to stay put for testing in this way for hours on end.







