[mikethedruid]

I have a somewhat later Heathkit sig gen. It is very similar. With ANY sig gen, as with any piece of ancient electronic equipment, the first thing to do is replace all the paper and electrolytic condensers, and check all the resistors for value. This is what I did, and mine works like a champ. FAR better than a brand new Chinese one I bought a few years ago, which died within a year. Yes, I DO have to double check the frequency output with a digital readout shortwave radio I have, but it is actually close enough so I could get away without doing so. It's a belt and suspenders sort of thing.