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I really need to get all channels without an a/b switch since we like to dvr shows that come in on fox and the other channels.
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That makes the solution more difficult. The way CATV systems solve the problem is to have separate antennas for each channel and combine them with bandpass filters, but that is a very expensive solution. I can't tell from what you say if you have been able to receive FOX yet. Assuming you can if you aim an antenna at it, these are my thoughts:
1. The first solution that comes to mind seems outlandish, but it has advantages: two antennas and two DVRs. This will allow you to record with one and watch the other, or record two shows that are on at the same time. You will also have a backup DVR, the cost of which will be less in the long run than satellite.
2. A 4-bay antenna is like one half of your 4228 which is an 8-bay of two 4-bays stacked side-by-side; CM calls the 4-bay a 4221. Since you already have a 4228 you could remove the reflector (wire mesh screen at the back) and receive from both front and back, without switching, signals from:
WGME CH38 CBS 225 degrees magnetic
WPFO CH23 FOX 78 degrees magnetic
WMTW CH8 ABC 253 degrees magnetic
WCSH CH44 NBC 251 degrees magnetic
If CH8 is too weak, add a VHF-high folded dipole cut for CH8 with a UVSJ.
3. It is sometimes possible to combine the signals from two antennas with a splitter in reverse used as a combiner. This can sometimes work, but often not. The problem is that both antennas can receive the same channel and when they arrive at the combiner they may or may not be in phase resulting in enhancement or cancellation. These two signals can be considered as co-channel interference. One would have to be at least 16 dB weaker than the other (best at least 20 dB) to work.
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I'm kinda surprised since we're on a hill at 720'.
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You may be on a hill but the coverage from FOX is very spotty at your location, and there are other hills in the signal path. It looks like they got the signal power and NM numbers reversed.