am antenna1258 links - and 9 categories
Antennas : 160M
- A Lowband Antenna that is Almost Free
- The Shunt-fed Tower, an effective Low Band Antenna, uses your beam as a capacitive top-hat and only needs a simple feed network and a good ground system to work DX on 80M and 160M.
[ Hits: 18167 | Votes: 4 | Rating: 7.75 ]
- Experiments with a Moxon Rectangle antenna
- An easy to build moxon antenna for portable use.
A Moxon Rectangle is a two element beam, where both elements are folded towards eachother.
[ Hits: 3447 | Votes: 6 | Rating: 8.67 ]
- 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: 24177 | 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: 1469 | Votes: 1 | Rating: 9 ]
- Swiss Quad for 10 and 6 meters
- Based on HB9CV, F6ITV decribes how build a swiss quand antenna for 28 and 50 Mhz.
[ Hits: 20321 | Votes: 21 | Rating: 7.38 ]
- A two dollar helical hf portable antenna
- Here is an easily transportable vertical antenna for 20 meters collapsible to 4 feet that costs about $2.00 to make.
This was created as a fun project to demonstrate how to enjoy operating HF in the field with a home-made portable antenna without spending a ton of money.
Bev AH6NF (YL) made this antenna, tuned and ready to operate in less than one hour
[ Hits: 21539 | Votes: 14 | Rating: 7.65 ]
- 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: 3013 | Votes: 1 | Rating: 8 ]
- 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: 1497 | Votes: 2 | Rating: 7.5 ]
- Handi-Tenna portable satellite antenna
- Here is a high-performance hand-held beam antenna that is easy to build and guaranteed to improve your downlink from the LEO satellites over ANY rubber duck or mobile whip
[ Hits: 12812 | Votes: 7 | Rating: 7.37 ]
- 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: 4209 | 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: 6410 | 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: 1664 | Votes: 4 | Rating: 7 ]
- Antenna Modeling Files
- A collections of antenna models submitted to arrl and can be used with NEC-4 or Yagi Optimizer modeling programs
[ Hits: 2493 | Votes: 5 | Rating: 5.8 ]
- IK-STIC 2 vertical multiband antenna
- The IK-STIC 2 is a vertical, all band, antenna that is over 25 feet tall yet weighs under 5 pounds.
Based on a telescopic pipe or a fiberglass fishing pole, using a tuner it can easily cover the amateur radio HF bands from 40 - 10 Meters
[ Hits: 4699 | Votes: 6 | Rating: 5.17 ]
- PA-11019 Home made stuff Blog
- Homemade hamstuf, mostly homebrew antennas in Dutch
[ Hits: 1017 | Votes: 0 | Rating: 0 ]
- IW3SIM Rosario
- Italian prefix maps and band plans, includes links to antenna plans and many ham radio resources.
[ Hits: 412 | Votes: 0 | Rating: 0 ]
- Cobra UltraLite Antennas
- The alternative multi-band solution, covers more bands than a G5RV, light weight, won't damage your trees.
[ Hits: 3264 | Votes: 23 | Rating: 7.52 ]
- 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: 3761 | Votes: 1 | Rating: 1 ]
- 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: 4623 | Votes: 10 | Rating: 8.7 ]
- HamCalc v1.3
- 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: 26243 | Votes: 97 | Rating: 5.31 ]
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