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One thing about that article that kind of surprised me is what a few on the forum here have been mentioning all along. Powered (active) indoor antennas do not receive signals any better than (passive) non powered antennas. Funny also that the DIY 300 OHM antenna outperformed the factory built indoor antennas.
But the classic Twinlead 300ohm Dipole and the Outdoor Yagi were the best.