My station of choice is
www.92citifm.ca , they fired up their 300,000 watt station back in '78 and rolled their first song: Deep Purple's "Highway Star".
I've listened to dozens of online broadcasts from classic rock stations from all over, Atlanta, San Diego, San Fran etc..... none of them are as consistently good as citi is.
Check out their live internet broadcast sometime, especially the morning show with Tom & Joe... it's hilarious.
www.92citifm.ca