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Quick pointers on your report, as there is a signal analysis FAQ elsewhere.
The "radar" plot, the circular graph, is meant to show you where to aim your antenna and to indicate how strong the signals are. The longer the bar, the stronger the signal. You have two groups of stations, the Miami market almost due south and another market due north. This is actually cool, as antennas often are modestly sensitive in the opposite direction from where they point.
I suggest experimenting with pointing your antenna due north. The data in the table below the circle chart explain why.
The quality factor is the NM column. Without getting too technical, the goal is to have a result of at least +10 at the tuner. Antenna gain adds to NM, losses in cables and splitters subtract from NM. Amps mounted at the antenna are used to overcome losses in really long cable runs and splitters (not an issue for you.)
All your full-power Miami stations have NMs above 50. All you need from an antenna is efficient transfer of whatever signal power it picks up into the coax line. Actual positive gain is not needed, as you probably lose only 7 or so in the coax and splitter. Let's say that your antenna has +9 gain in the forward direction and -15 gain towards the back. Turning the antenna to the north applies the -15 gain towards Miami, so the resulting NMs will be all above 28. Some of the low-power stations might get a little iffy, but you will likely be able to dig up all the stations from the north on your list. Also, if signal overload is your problem, this configuration will fix that.
Good luck!
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