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Antenna Gain
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Antennas : 17M
- Extended Double Zepp Antenna for 17 m
- 17 meters band version of an extended double zepp antenna.
The Zepp, short for Zeppelin is any resonant antenna end-fed by ladder line. A Double Zepp means a center-fed antenna. This extended version provides 3 db gain over a dipole. The double Zepp consists of two collinear 0.64 wave length elements fed in phase
[Hits: 3700 | Votes: 5 | Rate: 5.00] Antennas : 2M
- 2 Meter 10 Element Quagi Antenna
- This antenna was designed by N6JSX Kuby for Transmitter hiding. Fitting the requirements of directionality, high gain, and portability. This antenna was derived from the ARRL Handbook information on Quagi's and Yagi's; in the absence of two meter Quagi information, UHF Quagi dimensions were scaled into 146 MHz use.
[Hits: 7684 | Votes: 6 | Rate: 7.17] - 2m VHF antennas with high gain
- 2m SSB/CW-12.5 Ohm Yagis with extrem high gain and small bandwidth.
These Yagis were constructed as ultra-light, portable Yagis with extrem high gain. They have small bandwidth and are working from 144,0-144,8MHz with good SWR.
[Hits: 5697 | Votes: 5 | Rate: 8.00] Antennas : 6M
- Two portable antennas for 6-meter
- VE7CA reprint an interesting article taken from arrl antenna compendium. Two elegant practical and portable 6-meter gain antennas, a two-element quad and a tree-element Yagi antenna for 50 Mhz-6 meter band
[Hits: 3993 | Votes: 1 | Rate: 10.00] Antennas : 70cm Antennas : 80M
- 80 meter frame antenna
- This projects was developed as a result of experiments to become QRV on 80 meters, again, using the little balcony by SM0VPO
[Hits: 5436 | Votes: 8 | Rate: 6.50] Antennas : J-Pole Antennas : Loop
- The full-wave loop antenna
- These omnidirectional antennas offer Horizontal polarization, and about 2.1 dbd of gain. They are much quieter than a dipole or a vertical, have a broader bandwidth and will usually out perform a dipole antenna.
[Hits: 4180 | Votes: 4 | Rate: 6.50] Antennas : Mobile
- Home Brew VHF UHF dual band antenna
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- Contructing precedure and tune up of a dual band mobile antenna. This antenna is just a 1/4 wavelength resonator for both UHF and VHF band. It provides no GAIN as compared to other multi-section design.
[Hits: 29097 | Votes: 30 | Rate: 4.10] Antennas : Portable
- Portable HF antennas
- Excel sheet containing technical comparisons of commercial HF portable antennas compiled by ON4SKY. Includes pictures, manufacturer, db gain, band coverage, F/B ratio, price, weight and dimensions.
[Hits: 2473 | Votes: 1 | Rate: 10.00] - 70cm Quadruple Quad
- A suitable high gain 70cms antenna for SOTA operation by Richard Price GW0VMW
[Hits: 4924 | Votes: 8 | Rate: 6.62] Antennas : Theory Antennas : Theory : Antenna Gain
- CSVHFS Antenna Gain Measurements
- The Central States VHF Society has conducted Antenna Gain Measurements since its inception in 1967. Comparisons between commercial and homebrew antennas, between different homebrew designs, and between different commercial designs. Mostly VHF UHF and up antennas.
[Hits: 997 | Votes: 2 | Rate: 10.00] - G/T Simulations - by VE7BQH
- Here you will find information on how antennas behave when stacked
G/T is an important figure-of-merit for the antenna's overall receive performance, because it balances forward gain (G) against received thermal noise (T).
[Hits: 526 | Votes: 7 | Rate: 8.14] - Calculate antenna gain
- Guide to calculate effective gain of antennas
[Hits: 7176 | Votes: 46 | Rate: 7.48] - Antenna Gain versus Height
- Antenna gain for horizontal, vertical, and tilted orientation of a dipole for heights between 5 and 50 feet.
[Hits: 880 | Votes: 1 | Rate: 1.00] Antennas : VHF UHF
- 802.11b Antenna on the Cheap
- Build a 802.11b antenna using PVC, some cheap copper tubing, a Pringles can, and some scrap cardboard, in a few hours. Tests state a 12db gain on 2.4 Ghz
[Hits: 2490 | Votes: 0 | Rate: 0.00] - Parabolic Discone antenna
- This is the highest gain omni design the world may ever know having wide bandwidth
[Hits: 2083 | Votes: 3 | Rate: 9.33] Antennas : WiFi
- Biquad Antenna Construction
- This page details the construction of a biquad antenna. The biquad antenna is easy to build, and provides a reliable 11dBi gain, with a fairly wide beamwidth.
[Hits: 7465 | Votes: 14 | Rate: 7.49] - Slotted Waveguide 802.11b WLAN antennas
- 802.11b WLAN Waveguide Antennas Unidirectional &
Omnidirectional. High gain, Simple construction by Trevor Marshall
[Hits: 5522 | Votes: 14 | Rate: 6.71] - 2.4 Ghz double quad antenna
updated
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- An easy to build, compact antenna for wireless lan applications that offers a reasonable amount gain.
[Hits: 22033 | Votes: 46 | Rate: 5.14] Antennas : Yagi Manufacturers : Antennas : HF : Vertical Antennas
- KVK Antenna Systems
- The manufacturer of the NuBeam, Vipole, and the multi-band Quad-Folded-Dipole (or QFD for short) antenna. Also have a unique multiband vertical which can combine operation on multiple HF frequencies as well as provide high gain on 50, 144 and 438MHz in a single antenna.
[Hits: 2753 | Votes: 0 | Rate: 0.00] Manufacturers : Antennas : VHF UHF Microwave Technical Reference : Preamplifiers
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