Tag Archives: nvis

NVIS for EMCOMM and Survival Communications.

      14 Comments on NVIS for EMCOMM and Survival Communications.
NVIS

Not clear on the concept. If you or someone you know has an HF station with a goal of DX communications in disaster situations, I have a question: What are you really trying to do? What is the need for very long distance communications in a SHTF scenario? Save for… Read more »

NVIS -Near Vertical Incidence Skywave: Why You Need It.

      9 Comments on NVIS -Near Vertical Incidence Skywave: Why You Need It.

One of the big thrills of amateur radio is working DX. There’s a lot of excitement in contacting that “Holy Grail” station on the other side of the world and earning bragging rights on local FM repeaters. But crisis communications necessitate that amateur radio operators trade DX glory for close… Read more »