• The NVIS Antenna - W0IPL

    www.w0ipl.net/ECom/NVIS/nvis.htm Any horizontally polarized antenna will have an NVIS component in its radiation. To maximize the NVIS component, you need to run the antenna at ten to fifteen feet ...
  • Near vertical incidence skywave - Wikipedia, the free ...

    en.wikipedia.org/wiki/Near_Vertical_Incidence_Skywave Near vertical incidence skywave, or NVIS, is a skywave radio-wave propagation path that provides usable signals in the range between groundwave and conventional ...
  • AAR2EY All Band NVIS Antennae Designs - N2CKH

    www.n2ckh.com/AAR2EY_NVIS_ANTENNA.pdf AAR2EY All Band NVIS Antennae Designs Updated 20 May 2007 Updated 23 February 2006 Updated 9 November 2005 Started 13 February 2004 As user of MF/HF frequencies, a ...
    • DESIGN THE CLOUD WARMER NVIS BEAM ANTENNA

      www.hamuniverse.com/nvisbeam.html Tune Around! SEARCH CQ-Calling All Hams! About Hamuniverse Antenna Design Antenna Safety! Ask Elmer About Batteries Code Practice Computer Help
    • NVIS Antennas | KV5R.COM

      kv5r.com/ham-radio/nvis-antennas With deepest apology, NVIS antennas are mostly useless. The problem is not on TX side but on receiving side! We should remember that such antenna acts as a noise and ...
    • NVIS Antenna - VCARS

      www.vcars.org/tech/NVIS.html Construction of NVIS Antenna. Drill PVC Cap to accept SO-239 and 4 screws and nuts Mount SO-239 to PVC Cap with screw heads down Cut off the head of a brass screw
    • NVIS: Near Vertical Incidence Skywave

      www.qsl.net/wb5ude/nvis NVIS: Near Vertical Incidence Skywave What is NVIS? What are the advantages and disadvantages of NVIS? What kind of antenna works well for NVIS?
    • NVIS antennas - American Radio Relay League

      www.arrl.org/nvis Download. Near Vertical Incidence Skywave, better known as NVIS, is a technique that allows you to use HF transceivers for highly reliable short-range communication.
    • NVIS - a super gain antenna project

      www.hamuniverse.com/supernvis.html A SUPER - GAIN ANTENNA PROJECT FOR 40 METERS ... "I talked to Jerry, K5AXN on the air while he was using his NVIS antenna with reflectors on 40 meters. I was ...
    • NVIS ANTENNA THEORY AND DESIGN - txarmymars.org

      txarmymars.org/downloads/NVIS-Antenna-Theory-and-Design.pdf NVIS ANTENNA THEORY AND DESIGN . Introduction. A properly designed Near Vertical Incident Skywave (NVIS) antenna will have a directivity pattern that will maximize ...