There are a lot of 220 machines around here too. Not locally but in the Bay Area. I have a scanner programmed to a bunch of ones around here at home, and the 220 ones seem to see about as much activity as the 2m ones. Course, most of them are not standalone, they are linked to a 2m/440, but I hear a lot of people saying they are on the 220, and a lot of them have distinctive "Over" tones. One here I like a lot because the tone is "K" in Morse Code, which I think is pretty slick.