Thats an advertisement. I'm not aware of any stations that reduced their output by 90% and expected the same coverage. Now stations have seen a reduction in the amount of power required to run the transmitters, but that is completely different.
Most reception problems with VHF is the wrong antenna. And that is what the linked article is trying to sell.
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AntennaCraft Y5-7-13 Highband-Broadband VHF Yagi | 2 Antennacraft U-4000 UHF 4 Bay Bowtie Antennas | NexxTech +15 dB Amp | 44 OTA Channels 