There is No significant difference.
The point is , one continuous length of coax , No potential trouble causing , couplers , splitters , etc. .
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Ok , 'that' box thing , the matching transformer (balun) is shown in the video , the connections on the inside need to be connected to the phasing/antenna wires on the inside of the box.
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Testing and testing , Yes connect to one Tv and then the other Tv.
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