For those who have any inside information, just how many hours in the day does 3WS have an actual live body in the broadcast chair. Jonny Hartwell's shift is from 5-9 a.m., Shari Van Dyke's is from 9 a.m. - 4 p.m., and Mike Fraser's is from 4-10 p.m. How much time do they actually spend in the studio?