ground antennas
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Antennas : 80M- 80m Vertical Antenna with Folded CounterPoise
- A very efficient 80 meter Counterpoise antenna designed to reduce ground losses from inadequate radial systems beneath inverted L antennas, a project by DM2GM and DM4IM based on the original K2AV antenna concept.
[ Hits: 1088 | Votes: 2 | Rating: 7 ]
- Online Antenna Calculator
- Java script antenna calculators for ground planes, half wave verticals, quad antenna, 5/8th wave vertical antenna, dipole and inverted vee antennas
[ Hits: 4455 | Votes: 11 | Rating: 6.01 ]
- Aerial Calculations
- G4URH calculations to design your own antennas, ground plane, half wave antennas, Quad Antennas and 5/8 verticals
[ Hits: 2981 | Votes: 4 | Rating: 4.25 ]
- A 2 Meter phased array antenna
- Phased array Ground Planes antennas for 144 Mhz
[ Hits: 4620 | Votes: 11 | Rating: 6.45 ]
- Transformer for Ground-Independent Receiving Antennas
- Transformers theory and calculator of turns on binocular cores. Comparison with toroid cores.
[ Hits: 1305 | Votes: 2 | Rating: 4.5 ]
- Horizontal Half-wave Dipole above a Counterpoise
- All antennas that are situated close to the ground are affected by that ground to some extent. This article explain effects and benefits of counterpoise.
[ Hits: 1271 | Votes: 0 | Rating: 0 ]
- Feeding an End-Fed Antenna
- End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.
[ Hits: 21453 | Votes: 22 | Rating: 7.33 ]
- Mobile 2 meter halo antenna
- This HALO design is not ground dependent and can be mounted atop a section of PVC.
[ Hits: 1911 | Votes: 0 | Rating: 0 ]
- 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 ]
- Quarter Wave Verticals
- One of the most useful antennas in the repertoire is the Marconi or quarter wave grounded vertical antenna. Its invention made it possible to halve the length of antennas, simplifying communications, especially at HF and below.
[ Hits: 1759 | Votes: 2 | Rating: 7 ]
- Groundplane Antennas at Various Heights
- Mounting on Roof or at Ground Level? Why ground plane antenna works better at lower level.
[ Hits: 987 | Votes: 3 | Rating: 10 ]
- Why Radials ?
- Butternut article on radials usage on vertical and ground plane antennas
[ Hits: 952 | Votes: 0 | Rating: 0 ]
- Horizontal Antennas above Real Ground
- Antennas are influenced by the effect of the ground and by the type of conductors from which they are constructed. Effects of various types of grounds on a 1.825 MHz horizontal 0.5 wave dipole
[ Hits: 603 | Votes: 0 | Rating: 0 ]
- QEX Ground System Experiments
- N6LF series of experiments on ground systems for vertical antennas. That series of reports was converted, with some modifications, into a series fo seven articles in QEX magazine.
[ Hits: 790 | Votes: 1 | Rating: 8 ]
- Ground Loss and Vertical Antennas
- How manage and quantify ground loss in vertically-polarized antennas by VE3VN
[ Hits: 597 | Votes: 0 | Rating: 0 ]
- Ham Radio Tower at N0HR
- Ham Radio Tower Project at N0HR. Includes site plan, escavation, tower construction, HF antennas, grounding and lightning protection, coax and more.
[ Hits: 2962 | Votes: 2 | Rating: 8 ]
- Ground Plane Verticals
- Ground Plane antennas and common mode
[ Hits: 940 | Votes: 0 | Rating: 0 ]
- The vertical Double-Zepp
- The vertical Double-Zepp 2x7 m is a very simple, effective 8-Band-antenna. The end of the Dipol must be 5-10 m above the ground
[ Hits: 863 | Votes: 0 | Rating: 0 ]
- Tecom
- Tecom industries product line encompasses a wide range of highly sensitive active and passive antennas for use in airborne and ground applications, providing complete coverage of the 20 MHz to 40 GHz frequency range.
[ Hits: 354 | Votes: 0 | Rating: 0 ]
- Conception R.B.
- Specialized in the design and manufacture of radio HF-SSB ground and air at the leading edge of technology. HF,VHF,HF radio,antenna baluns,antennas and, Radio hf ssb.
[ Hits: 462 | Votes: 4 | Rating: 6.25 ]
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