OTA satellite receiver vs OTA general receiver tuner

[Former Cbandguy]

I presently use my DirecTV OTA input for off-air antenna channels. I'm just wondering if I were to use a general digital OTA tuner rather than the DirecTV OTA tuner built into my DirecTV satellite receiver if I were to receive more off air channels via my rooftop TV antenna? Does the DirecTV OTA tuner on their satellite box restrict some OTA channels from being picked up when scanned because of market area restriction via the DirecTV satellite receiver? Would a general digital OTA receiver pull in more channels when scanning?

[cuclotru]

Great little topic.
And Nice work--thank you for sharing- for me this makes perfect sense though.
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[BYX]

To the best of my knowledge if you scan the DirectTV receiver with a regular outside TV antenna connected to the antenna jack you get everything available in your area for free.
The locals you get thru DirecTV are rebroadcasts of the OTA signals and they don't give you everything.