The Complete Amateur’s Guide to NVIS Communication
My portable Jeep radio station is a base station when my family camps, hikes, or kayaks. It also can work as an emergency communication platform.
The primary HF antenna isn’t reliable under 250 miles. To cover this distance, I built an antenna for Near Vertical Incident Skywave, or NVIS, communication. It is an antenna used by the military, humanitarian relief organizations, and amateurs.
Articles in the Series
This series presents a comprehensive view of NVIS. I cover everything from antenna theory to building the antenna to keeping it legal on 60 Meters.
- What is Near Vertical Incident Skywave?
- Where to Get Critical Frequency and MUF for Your QTH in Real Time
- How to Select the Best Operating Frequency When You’re 100 km Apart
- Three Questions to Ask Before You Make an NVIS Antenna
- How to Build an AS-2259/GS Antenna
- Field Tests and Lessons Learned
- Keeping an NVIS Antenna Legal on the 60 Meter Band
Don’t let my focus on disaster communication discourage you. NVIS is useful over a variety of applications, from camping to contesting.
Questions? Please leave a message in the comment section below.