Скачать или смотреть How does a tunnel's surface influence underground communications?

How does a tunnel's surface influence underground communications?

Whether it is a mining tunnel or a vehicle or train tunnel - here Pieter Prinsloo explains how the tunnel surface influence underground propagation.

If underground communications is of interest - have a look at our webinar titled: Digging Into Circular Polarised Underground Communication.
https://poynting.tech/articles/newsle...

Want to know more about our mining and tunneling antennas - look here:
https://poynting.tech/antenna-categor...

Want to talk to someone at Poynting contact us here:
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Updated June 2021