Dave sheds a little light on wireless electric transmission

Many thanks to SWLing Post contributor, Dave (NM0S), who left the following comment on our previous post regarding wireless electric transmission:

This company [Viziv] had been known as Texzon until recently, and must have apparently had a recent change of name.

Their main published paper is found here:

Click here to download PDF.

Basically they claim to be exciting a ‘Zenneck Surface Wave’ by using an electrically small antenna, which by virtue of its very small radiation resistance, requires very large currents to radiate power. Their supposition is that these high RF currents injected into the ground propagate with low loss, and can be harvested at some remote location. Presumably, by exploiting the reciprocal nature of antennas, a similar device would be employed to receive this RF power. It is not clear that they will be able to do something beyond what every crystal radio hobbyist has been doing for the past century.

Thank you, Dave! I love the crystal radio analogy.

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2 thoughts on “Dave sheds a little light on wireless electric transmission

  1. william beaty

    Yes it is like crystal sets and the Goubau Line …but supposedly the weirdest stuff starts way down at VLF frequencies, and really kicks in when running at well below 20KHz. The “Q” of the Earth-cavity resonance is around 10, or perhaps somewhat higher. So, any emitted VLF waves will pass around the planet numerous times before eventually being absorbed. But the trick is to “get out” at all, since a quarter-wave tower at 20KHz needs to be 3.8KM tall. Navy station NLK at 25KHz has an antenna between two mountains, and even so, their ERP is only a few dozen watts iirc, for a power input of megawatts.


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