Friday, July 22, 2016

Testing the Shielding Effectiveness of a Metal Garbage Can

by Dr. Arthur Bradley, author of Disaster Preparedness for EMP Attacks and Solar Storms

Many people are looking for an inexpensive Faraday cage to protect personal electronics from a nuclear-generated EMP. Unfortunately, it requires quite a bit of test equipment to determine shielding effectiveness. On the transmit side, it requires a signal generator, a high-power amplifier, and a broadband antenna. The receive side requires a small, battery-operated spectrum analyzer. I’ve done quite a bit of testing on various makeshift Faraday cages, and this article discusses the effectiveness of a...

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