'Nvis antenna' presentation slideshows

General License Course Chapter 7

349 views • 34 slides

Living with Lightning

Living with Lightning. REVIEWING Make all ground wires short and no 90 degree turns smooth curves are used to the ground rod. All cables entering the shack should be coiled in a loop depending on the type of coax cable. Place knots in all power cables all electronic equp.

387 views • 29 slides

Antennas for Emergency Communications

Antennas for Emergency Communications. HF Antenna. The NVIS Antenna. The Problem. Introduction to NVIS. What Is NVIS? What are the advantages of NVIS? How to deploy NVIS. What Is NVIS?.

487 views • 25 slides

NVIS Propagation

NVIS Propagation. Ron Hranac, N0IVN. NVIS Propagation. VHF and UHF simplex and repeater operation can provide generally reliable local and regional communications But these modes are limited to line-of-sight!. Line-of-Sight Propagation. Source: http://www.ycars.org. NVIS Propagation.

449 views • 15 slides