I've only called a sports radio show once, and I got on the air. It was before the NBA draft a few years back, and I called 1510 when the Diehards were on. I asked about the possibility of the c's drafting Andrew Bynum - and Ryen Rusillio went on to break down the pros and cons of Bynum's game, but he said Bynum would likely be gone before our pick (and he was right) - very knowledgeable stuff
as for that website on someone's listening to 850 for a full day, I thought the analysis was spot on. I do admittedly listen to the station off and on, but it can be very taxing at times, and I think he hosts see themselves as the show, not the sports they should be covering