If you’re in the commercial AM radio business, you want to send your signal as far and wide as possible. More listeners means you can make more ad revenue, after all. [Jeff Geerling] recently visited a tower site for WSDZ-AM, which uses a full eight towers to broadcast its 20kW AM signal. To do that, it needs a phasor to keep everything in tune. Or, uh… phase.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/04/20/am-radio-broadcast-uses-phasor-to-let-eight-towers-spray-one-big-signal/