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iPHONE ELF/VLF Meter using FERRITE ANTENNA with the AUDIO / SPECTRUM ANALYZER ios APP - LIVE demo

Опубликовано: 07 Июль 2026
на канале: QRQcw
250
2

https://apps.apple.com/us/app/audio-s...

using same iphone setup for ELF/VLF as done on this previous video demo:
   • iPhone Ferrite Core Coil Antenna, plugs in...  

ios spectrum analzyer APP seems to work from ~20 hertz to ~20 Kilohertz

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