225.350 Primary
261.250
281.300
285.200
289.200
321.800
350.400
These are for the Pinecastle Range near Ocala. Often F-18s will come from a/c carriers and drop ordnance and then return to ship.
Avon Park AF Range farther south is hot right now. The annual Atlantic Strike Exercise is going on right now, with A-10Cs, B-1Bs, B-52Hs, F-16CJs, etc., etc., hitting targets. Try 292.200 for APAFR Range Control and see if you can pick 'em up (shouldn't have a problem being 30ft. up). 292.200 is just the check-in freq, and one of MANY freqs being used right now. Try 238.900 for AAR (air-to-air refueling) boom comms.
If you really get into MilCom, try this group:
http://groups.yahoo.com/group/FloridaMilcom
Also try 311.000, 321.000, 372.200. These are check-in freqs for many Air Force bases, which include MacDill AFB and Patrick AFB within your listening range.