I'm a ham, and thus, wasn't on FM broadcast. But...
I caught wind of the opening on the way home from my son's karate class late afternoon. The 6m FM call channel (52.525) was awash with signals -- always a good sign. When I arrived home, 144.200 was full of hams from the New England area. It was on.
Over the next couple of hours, MUF never dropped below 2 meters. I even worked several stations on 2m FM, some of them just guys with 50W mobiles on the way home. It was freakin' crazy. MUF, I understand, got well above 200 MHz. Some lucky TV DXers even IDed stations as high as channel 13 (WLOX/Biloxi was seen in New England, if memory serves).
I think I worked 70 or more 2m stations that day (my log isn't at my fingertips). I can't imagine ever doing that kind of volume again. The editor of QST Magazine called July 6, 2004 the biggest VHF opening ever seen in North America (interestingly, I worked him on 2m during the opening -- Memphis to Maryland).
DE