I personally liked them much better back in their beginnings, but especially when Kiss 108 bought them. They were branding themselves as "Today's Hottest Music", and had a huge overlap with rhe music that Kiss was playing at the time.
The was pretty much standard with the format then known as CHR/Dance, or as some had referred to it as Churban.
They in effect came very close to Topping Kiss 108, but I do not think that they ever got past #2 in 12+ Arbrition ratings through.
Of course, 1996 had the departure of the similarities of music between both stations. Jam'n went into a very hip hop/rap direction, while Kiss at that point was playing Hootie & The Blowfish, Alanis Morissette, Goo Goo Dolls, etc. instead.
Thank you for letting me ramble on for a bit.