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near vertical
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about near vertical on dxzone.com
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Antennas : NVIS
Propagation : NVIS Propagation
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Antennas
- W5QJR Antenna Revisited
- This antenna combines the features of a horizontal and a vertical antenna to provide constant signal level to all stations from near-in to more than 1,000 miles It is the optimum antenna for rag chewing and net operation on 40, 80 and 160 meters
[Hits: 1822 | Votes: 3 | Rate: 9.00] Antennas : 160M
- KE4UYP Linear loaded vertical antenna
- This is a vertically and horizontally polarized antenna the Linear loaded 1/4 wave length vertical radiator introduces very little loss for 80 or 160 meters
[Hits: 9923 | Votes: 16 | Rate: 6.49] - Vertical for 80 or 160 meters
- KE4UYP project for a top fed 1/4 wave lenght linear loaded vertical for 80m or 160m
[Hits: 1064 | Votes: 0 | Rate: 0.00] Antennas : 20M
- 20m delta loop
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- This antenna is fed for vertical polarisation, to give a low angle of radiation for DX and also a nearly omni-directional radiation pattern
[Hits: 49575 | Votes: 36 | Rate: 6.08] Antennas : 40M Antennas : Array
- Effect of tower coupling on an array
- It's well known that a nearby tower can affect the performance of a vertical array, this article by NK7U describe measurements and prove interaction.
[Hits: 523 | Votes: 0 | Rate: 0.00] Antennas : Collinear
- Build a 2.4GHz Vertical antenna
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- Building a 2.4GHz vertical collinear omnidirectional antenna
[Hits: 65003 | Votes: 54 | Rate: 4.75] - The Simple Collinear
- Wherever there is a need for a vertically polarized omni-directional antenna with gain, a collinear is used. The vertically polarized collinear takes the form of two or more half waves in-line and in-phase, resulting in an omni-directional pattern with maximum radiation near the horizon.
[Hits: 6994 | Votes: 8 | Rate: 7.75] - Omni-Gain Vertical Collinear Antenna
- This rugged antenna, an omnidirectional collinear, is capable of surviving harsh environments. It's a good choice for repeater installations and can be top, or side mounted to the tower by WA6SVT
[Hits: 7420 | Votes: 4 | Rate: 5.25] - 802.11 2.4Ghz Low-Power Vertical Antenna
- A 2.4Ghz low-power 5dBi vertical collinear
antenna for 802.11 applications
[Hits: 7668 | Votes: 7 | Rate: 3.57] - Home-brew Compact 6dBi Collinear Antenna
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- This page details the construction of an easy-to-make collinear 360 degrees omni-directional, vertically polarised, antenna for 802.11b/g wireless networking.
[Hits: 15430 | Votes: 19 | Rate: 8.11] Antennas : Dipole
- The Sloping Vertical Dipole
- The radiating part is the vertical half of the dipole. You get nearly radiation in all directions, the second half must not be in 180°. The table below show how we get an impedance for direct feeding of 50Ohm coax. by DK7ZB
[Hits: 256 | Votes: 0 | Rate: 0.00] Antennas : J-Pole
- Super J-Pole for 435MHz
- The Super J Pole antenna is a co-linear vertical consisting of a number of half wave length vertical elements separated with half-wave length stubs (Tuning stub) feed with a folded matching stub by vk6ysf
[Hits: 2391 | Votes: 4 | Rate: 4.75] Antennas : Mobile Antennas : NVIS Antennas : Quad
- BiQuad Antenna for 144/440
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- This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain by KE4UYP
[Hits: 4886 | Votes: 6 | Rate: 7.67] - BiQuad 144/430 MHz
- A vertically polarized broadside and collinear array by KE4UYP
[Hits: 2595 | Votes: 0 | Rate: 0.00] Antennas : VHF UHF
- VHF/UHF Folded Diplole
- This is a two element colinear design for vertically polarized radiation. It may be constructed for use on either 2m or 70cm
[Hits: 789 | Votes: 0 | Rate: 0.00] Antennas : Vertical
- Short radials for ground-plane antennas
- Think your elevated radials always have to be full size? N6LF lets you in on some great ideas to lessen the “wingspan” of radials, especially near the beach.
[Hits: 1613 | Votes: 1 | Rate: 8.00] Antennas : WiFi Manufacturers : Antennas : VHF UHF Microwave : HT Antennas
- Sandpiper Aerial Technology LTD
- Sandpiper has been designing and manufacturing aerials for over 25 years. Offer HF Dipoles and verticals, VHF UHF Yagi, collinears and other beam antennas, elical antennas,quagi,moxon, and portable antennas, tripods mounts and fiberglass poles
[Hits: 1348 | Votes: 0 | Rate: 0.00] Operating Modes
- Operating NVIS
- Near Vertical Incidence Sky Wave (NVIS) Propagation, PPT presentation by Marc C. Tarplee, Ph.D. N4UFP
[Hits: 619 | Votes: 2 | Rate: 9.50] Propagation : NVIS Propagation Shopping and Services : Ham Radio Stores
- Andrews Communications Systems
- Australian dealer, HF linear amplifiers, power supplies, baluns, HF UHF yagis and verticals including multiband HF verticals.
[Hits: 7032 | Votes: 38 | Rate: 6.71]
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