NVIS
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Antennas : NVIS- NVIS antenna design
- Theory, Modeling, and Practical Applications
By W5JCK, presentation in PDF File
[ Hits: 3348 | Votes: 7 | Rating: 3.57 ]
- Lowering NVIS antennas
- Lowering an NVIS or N.V.I.S. antenna very close to the ground enhances NVIS operation
[ Hits: 1887 | Votes: 3 | Rating: 8 ]
- How to build NVIS antenna
- How to homebrew a ENVIS antenna for 80 and 40 meters band
[ Hits: 1717 | Votes: 4 | Rating: 10 ]
- Near Vertical Incident Skywave Antenna
- W0IPL article on NVIS Antenna
[ Hits: 853 | Votes: 1 | Rating: 9 ]
- 40 m NVIS Square Loop antenna
- A NVIS square loop antenna with a parasitic reflector for 40 meter band by NA4L
[ Hits: 2324 | Votes: 7 | Rating: 6.57 ]
- 40 Meter NVIS antenna
- Near Vertical Incidence Skywave (NVIS) and the 40 meter Novice Sub-band.
[ Hits: 1661 | Votes: 0 | Rating: 0 ]
- Super Gain NVIS antenna
- A 40 meter NVIS beam antenna by W4NVK
[ Hits: 1294 | Votes: 0 | Rating: 0 ]
- NVIS antennas
- Understanding Amateur Radio NVIS Antennas and Propagation
[ Hits: 580 | Votes: 1 | Rating: 4 ]
- NVIS Antenna Design
- A presentation on designing Near-Vertical Incidence Skywave (NVIS) antennas and all related EZNEC models in a single zip file or the single presentation in PDF File
[ Hits: 489 | Votes: 1 | Rating: 9 ]
- The Near Vertical Incident Skywave (NVIS) antenna
- Introduction to NVIS antenna and NVIS propagation. A simple NVIS antenna can be constructed as shown in this article
[ Hits: 474 | Votes: 1 | Rating: 10 ]
- DIY NVIS Antenna Using a Mag Mount
- NVIS antennas, also known as Near Incident Vertical Skywave antennas have a high angle of radiation. Something on the order of 60 degrees, to straight up to 90 degrees. A portable, easy to setup and cheap nvis antenna project.
[ Hits: 643 | Votes: 4 | Rating: 5 ]
- Portable NVIS Loop for 80m to 40m
- A portable (15.5 foot diameter) NVIS loop for 3.5 to 7.3 MHz. Performs well at high and low takeoff angles, and has smaller footprint than most NVIS antennas.
[ Hits: 363 | Votes: 0 | Rating: 0 ]
- Invisible Antennas (almost)
- Articles for amateur radio newsletters aimed at new hams by WD4BIS
[ Hits: 916 | Votes: 4 | Rating: 8.75 ]
- 40 m short vertical
- A shortened and invisible wire antenna for 7 MHz
[ Hits: 6189 | Votes: 17 | Rating: 7.65 ]
- The essentials of the dB
- db made easy article by ve3fyn
[ Hits: 424 | Votes: 0 | Rating: 0 ]
- Near vertical incidence skywave - wikipedia
- The wikipedia article about NVIS Near vertical incidence skywave with information about usable frequencies and some general information on main NVIS oeprations usages
[ Hits: 288 | Votes: 0 | Rating: 0 ]
- NVIS: Near Vertical Incidence Skywave
- Operating NVIS mode, understanding operation frequencies, choosing the proper antenna to operate with the Near Vertical Incidence Skywave propagation
[ Hits: 383 | Votes: 6 | Rating: 5.58 ]
- Real-time OWF, MUF & maximum NVIS frequency for your QTH
- Real-time dashboard with 3000km optimal working & maximum usable frequency as well as maximum NVIS frequency; all for your internet access location.
[ Hits: 698 | Votes: 5 | Rating: 3.6 ]
- NVIS Propagation
- Near Vertical Incidence Skywave propagation is a form of radio wave propagation used on the MF and HF bands to provide radio communications and broadcasting coverage over short distances, especially where the terrain contains obstacles.
[ Hits: 446 | Votes: 1 | Rating: 10 ]
- FSQCall Fast Simple QSO
- FSQ is a Fast Simple QSO mode designed specifically for HF. It works well under NVIS and sunrise/sunset conditions on the lower bands, and also works well for short skip and grey-line on higher bands and can be used also on VHF FM.
[ Hits: 184 | Votes: 0 | Rating: 0 ]
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