This 100-year-old tech splits my voice in five

Published at : 23 Dec 2025

Geerling Engineering encounters a phasor at the 8-tower site of WSDZ-AM in Belleville, IL—formerly a Radio Disney station!

Special thanks to Aaron Cox and Relevant Radio for letting us see this tower site!

Resources mentioned in this video:

- Antenna Theory Directivity: https://www.youtube.com/watch?v=ysNkjEnoRsU
- How Does Starlink Satellite Internet Work? https://www.youtube.com/watch?v=qs2QcycggWU
- We made a hot dog talk... with RF: https://www.youtube.com/watch?v=GgDxXDV4_hc
- If I touch this tower, I die: https://www.youtube.com/watch?v=Aax-ehkRTnQ

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Contents:

00:00 - It splits your voice?
00:59 - Set Phasor to 'stun'
05:26 - Day and night patterns
07:33 - A 'dummy' load?
10:38 - Signal routing and monitoring
11:44 - Power and a massive grounding system
13:59 - Strange parts
17:14 - Designing an 8-tower array