May 26, 2020 – In my column last month (“Get Ready for ATSC 3.0, But Don’t Ignore 1.0”), I compared ATSC 1.0 and ATSC 3.0 reception. While it is being rolled out, ATSC 3.0 is likely to require similar antennas to those currently used for ATSC 1.0 since signal-to-noise requirements are likely to be the same. I received some email from readers who complained that even though they had sufficient signal strength for ATSC 1.0 reception, multipath was a problem, and they were looking to ATSC 3.0 to fix that. In this column, I’ll show how ATSC 3.0 handles multipath differently than ATSC 1.0 and also look at some other features in ATSC 3.0 that broadcasters can use to improve reception.

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