Real is what the actual number (frequency) and virtual is what it has been re-branded to.
Anyway you look at it a channel is a channel.
All my channels are in the VHF hi. So an antenna optimized for channels 7-69 is needed.
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I did notice that they TV Signal Analysis on here did not include other channels.
Say Real 47 re-branded to 43.1.. I also get 43.2 and 43.3 though it is not mentioned anywhere. Same goes for most of them.