antenna

4275 links - and 178 categories

80M Vertical antenna with capacitance hat - Simple wire antenna cheap to make, using readily available materials, Low angle radiation, with rejection of high angle signals Wide bandwidth, with resonance at the 80M DX window (3.790-3.800 MHz); and Maximum height is 40 feet
[ Hits: 25088 | Votes: 23 | Rating: 7.05 ]

P J Grimshaw : Antenna books - Netspace of PJ Grimshaw author of books and websites on antennas for ham radio
[ Hits: 1641 | Votes: 1 | Rating: 9 ]

W3FF Portable Dipole - This is the antenna w3ff designed for his walking portable station. It is a dipole constructed out of the plastic plumbing pipe CPVC. There are telescoping whips at the ends of each side of the dipole, and these whips are adjusted to bring the antenna into resonance on each of five HF Bands 10, 12, 15, 17, and 20 Meters
[ Hits: 22068 | Votes: 14 | Rating: 8.13 ]

Swiss Quad for 10 and 6 meters - Based on HB9CV, F6ITV decribes how build a swiss quand antenna for 28 and 50 Mhz.
[ Hits: 21530 | Votes: 22 | Rating: 7.09 ]

Home Brew VHF UHF dual band antenna ^pop - 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: 36844 | Votes: 38 | Rating: 4.36 ]
ARRLWeb: The HF Mobile Antenna - Members only articles on HF mobile antennas, includes an interesting RV antenna with a 5 bands coverage, and another similar antenna for camper.
[ Hits: 3112 | Votes: 1 | Rating: 8 ]
A $20 HF mobile antenna - A few hours of fun with PVC and wire and you have got yourself a respectable road radiator. The antenna consists of little more than some PVC pipe topped by a RadioShack replacement whip antenna and a couple of coils made from a small roll of #14 house wire.
[ Hits: 10547 | Votes: 6 | Rating: 7.33 ]

Modified Buddipole for 40 to 10 Meters - This is modified version of buddipole antenna, using vertical wires instead of telescopic ends by ks7j
[ Hits: 6251 | Votes: 7 | Rating: 6.57 ]
Portable HF Antenna for the field day - This article describes a project of asymmetrical hatted vertical dipole, a portable antenna that can be used for field day operations, sota, campings or even for fixed installations. This is a freestanding 20-10m antenna that is really easy to build, easy to tune and relatively easy to carry.
[ Hits: 1645 | Votes: 2 | Rating: 7.5 ]

KS7J 5-band Cubex Quad - KS7J's Cubex 5-Band Quad, tests, pictures and modification of this five bands quad antenna
[ Hits: 2740 | Votes: 12 | Rating: 4.75 ]

Long Loopstick Antenna - Wound on a 3 foot length of PVC pipe, the long loopstick antenna was an experiment to try to improve AM radio reception without using a long wire or ground.
[ Hits: 4376 | Votes: 1 | Rating: 10 ]

Amateur Radio Antennas: Ground Theory - Perfect ground vs. poor ground. What is the difference? How does the ground influence the DX-gain?
[ Hits: 6683 | Votes: 0 | Rating: 0 ]
All HF Band Antennas - F6ITV consideration on HF Antennas, from trap wired anternnas, to center feed antennas.
[ Hits: 1519 | Votes: 0 | Rating: 0 ]
Antenna Height Theory - Antenna mounting height, the higher the better? Learn how radiation pattern change, and decide if you need an higher or a lower angle for your dx needs.
[ Hits: 1878 | Votes: 5 | Rating: 7.2 ]

PA-11019 Home made stuff Blog - Homemade hamstuf, mostly homebrew antennas in Dutch
[ Hits: 1173 | Votes: 0 | Rating: 0 ]

IW3SIM Rosario - Italian prefix maps and band plans, includes links to antenna plans and many ham radio resources.
[ Hits: 479 | Votes: 0 | Rating: 0 ]

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: 3978 | Votes: 1 | Rating: 1 ]

BAZ Spezialantennen - German antenna manufacturer for VHF UHF antennas, Quad-antennas, yagi-Antenna, LPDA-Antenna, W-Lan Antennas.
[ Hits: 1741 | Votes: 10 | Rating: 8 ]

K0BG's ham radio mobile operator web site - This site is dedicated to mobile amateur radio operators, old and new alike. Whether you are into HF, or VHF operation, I trust the information presented will increase your enjoyment of our great hobby. With safety as a byword, there are articles on amplifiers, antennas, bonding, impedance matching, installing hardware, mobile equipment, noise and RFI abatement, wiring, and much more. I do my best to keep these articles up to date, and easy to follow.
[ Hits: 4856 | Votes: 10 | Rating: 8.7 ]

HamCalc v1.3 ^pop - HamCalc is a free collection of calculators for radio amateurs include Antenna ERP calculations, Attenuators, Audio Filter design, Coil Winding, Decibels, Great Circles map and calculator, HF Filters, HF Traps, Metric conversions OP Amps QRA Locator to Latitude/Longitude, Radio Horizon calculator, Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations Download zip By G4VWL
[ Hits: 28846 | Votes: 114 | Rating: 5.57 ]