wire antenna
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Antennas : 160M- 160M Folded Counterpoise
- An FCP is not magic. It has no gain. An FCP improves an antenna system by replacing more loss with less loss. Some have been able to erect better wires in the air because the small size of the FCP allowed better placement of the antenna.
[ Hits: 252 | Votes: 0 | Rating: 0 ]
- 22 Antennas for the 160 Meter Band
- 22 Different Wire Antennas for the 160 Meter Band, Random Length Radiator Wire, delta loop, loop antennas, off-centered antennas, sloper, dipoles, Z antenna, Zepp and Clothesline Antennas
[ Hits: 764 | Votes: 1 | Rating: 1 ]
- The 160M No Excuses Homebrew Vertical
- This antenna is designed for stations having a difficult time putting a decent signal on 160M from small or CC&R d lots. It is a 24.5 ft. vertical antenna, made from three 10 ft. PVC sections bolted together, and half wavelength of antenna wire helically wound around the PVC sections.
[ Hits: 404 | Votes: 0 | Rating: 0 ]
- Helically wound antenna for 40m
- A helically wound vertical antenna experiment. 14 meter of wire wounded on a 8 meter fishing pole with 4 elevated radials
[ Hits: 538 | Votes: 2 | Rating: 9 ]
- 40m Vertical End-Fed Antenna
- A quarter wave vertical end-fed antenna for the 40 meters band. As all vertical antennas, also this aerial requires a good earthing system. In this project the ground is composed by twelve 4, wires buried in the lawn by using a spade to create a slit to drop the wire into.
[ Hits: 2688 | Votes: 7 | Rating: 5.43 ]
- Shortened 80m Antenna
- An antenna for 80 meters band for those who does not have enough space to setup a halwave wire dipole that is aprox 130ft or 40 meters. The antenna is an open-wire-fed shortened dipole
[ Hits: 420 | Votes: 1 | Rating: 1 ]
- Wire Antenna Calculator
- A javascript online calculator for popular wire antennas, from the standard easy to build flat-top dipole, to the inverted V dipole, but also the Quad Loop, and the equilateral delta loop antenna
[ Hits: 1387 | Votes: 14 | Rating: 7.75 ]
- The 40/30 Pyramid
- A dual band delta loop antenna resonating on 30 and 40 meters band using a single wire for the top slopers on both 30 and 40 meters and does not need any balun
[ Hits: 704 | Votes: 0 | Rating: 0 ]
- EFHW autotransformer comparison
- Two different ways to create autotransformer for end fed half wave wire antennas, by using ferrite or air core.
[ Hits: 521 | Votes: 3 | Rating: 2 ]
- Wire Antenna Design Lengths
- The Classic Numbers for All Types of Wire Antennas at HF. Wire antennas need to be made a bit long and cut to resonance. They are affected by height above the ground and surrounding objects. In order to get an idea of the right place to start, certain formulas are generally accepted.
[ Hits: 327 | Votes: 1 | Rating: 7 ]
- Testing Dipole vs Indoor Magnetic Loop Antenna
- Testing performances of indoor antenna. A comparison of a magnetic loop antenna vs a classic wire dipole done using wsprlite on 30 meters band.
[ Hits: 855 | Votes: 2 | Rating: 5.5 ]
- Vertical Full Wavelength Loop
- Consider installing a stealth vertical loop antenna if you live in a place with no antenna restrictions.
Full wave loop wire antennas allow you to be on the air without installing evidente external aerials.
[ Hits: 457 | Votes: 1 | Rating: 8 ]
- Portable wire antennas
- This document describe serveral wire antennas, from the folded dipole, to the common halfwave monoband antenna for those who want to make HF portable operations in holiday.
[ Hits: 839 | Votes: 2 | Rating: 1 ]
- Portable Vertical Antenna
- A home made portable vertical antenna, that with a single 1/4 wave counterpoise wire is possible to achieve less than 1.5:1 SWR on 40, 30, and 20 meter bands. It is basically a center load, shortened ground plain vertical antenna.
[ Hits: 362 | Votes: 0 | Rating: 0 ]
- RX Flag Antenna FO0AAA 160-10 meters
- An HF bands receiving antenna, shaped in a delta-loop wire aerial with a total 28ft lenght.
[ Hits: 551 | Votes: 3 | Rating: 7.33 ]
- A 40m-10m vertical antenna with elevated radials
- A multiband vertical antenna for HF bands with elevated ground radials slant down at 45 degrees and acting also as guy wires.
[ Hits: 541 | Votes: 1 | Rating: 6 ]
- Cobra Antenna - A folded dipole
- A wire dipole antenna for the 80 and 40 meters band obtained by folding elements of a dipole and feeding with a 1:4 balun.
[ Hits: 1052 | Votes: 5 | Rating: 6.8 ]
- The K2AV FCP Single Wire Folded CounterPoise
- Efficient Low Band Counterpoise for Restricted Circumstances Loss Avoidance Opportunities and Techniques for the Low Bands
The short and linear FCP was designed to reduce ground losses from inadequate radial systems beneath inverted L and other vertical antennas.
[ Hits: 283 | Votes: 0 | Rating: 0 ]
- HF Wire Antennas for Field Day
- Dipole antennas, vertical half-wave dipole antennas with impedence tranformes that can be used for portable operations. Some well worn antenna configurations are the easiest and loudest lash-ups you can try.
[ Hits: 219 | Votes: 0 | Rating: 0 ]
- Long Wire Antenna for portable operations
- With the view to establish a quick and easy multi-band antenna deployment for portable and camping operations a simple long wire antenna with an earth or earth plus counterpoise arrangement with a 9:1 voltage unun including a tuner or simply with a tuner is one possible solution. With the 9:1 voltage unun and wire lengths suggested in the below tables the antenna should present non extreme impedances for all HF amateur band frequencies. This page is far from complete and represents the ongoing investigation into this type of antenna. Experiments to date seem to have raised more questions than obvious answers.
[ Hits: 796 | Votes: 13 | Rating: 8.69 ]
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