Hello Mayor West,
You have a reasonable opportunity for reliable reception of all the major networks in the St. Paul area.
The RCA ANT751 is not what I would suggested in your situation.
As you noticed with PBS, the ANT751 antenna gave you mixed results in regards to PBS. This was due to 2 factors. First, you are in a 2-edge situation, which means you have two geographical obstructions to the broadcast towers. 2-edge situations can make signals act unpredictable. Thus, in this situation it is highly recommended you mount the antenna outdoors. Second, PBS is on the lower side of good. Normally with indoor antennas, reliable reception is normally found in LOS (line of sight) conditions and very good signal strength (55 db or higher). Once you get down into the low 40s db of signal strengths with an indoor antenna, by using an indoor antenna whether it be attic or a small antenna near your TV, you have in effect reduced the signal strength greatly. This causes too much loss of signal for the small antenna to be effective.
As such, with your 2-edge conditions you are making the right call putting the antenna outdoors. Do you have tree obstructions?
The RCA 751 is not the antenna for 2-edge obstructed signals. I have one currently in service. I can speak from experience that this antenna does well with line of sight signals above 15db. Two edge, not so much.
If I were in your situation I'd install an
Antennas Direct C2V VHF/UHF antenna.
http://www.solidsignal.com/pview.asp...enna-%28c2v%29. Orientate antenna to magnetic heading 08 degrees.
I would expect to see PBS and all full power St. Paul signals.
Best of luck,
SS