3 meter antenna

354 links - and 1 categories

Half-Wave 17 Meter Rotatable dipole - The K7EFX Multiband 3-Half-Wave 6-Meter, Half-Wave 17-Meter, Rotatable Antenna
[ Hits: 939 | Votes: 3 | Rating: 1.33 ]

K7EA 30 Meter Ground Plane Antenna - A 30 Meter Quarter Wave DIY Ground Plane Antenna that loads up nicely also on 12 and 6 meters
[ Hits: 741 | Votes: 3 | Rating: 9.67 ]
2 Element 30 meter Yagi Antenna - Dimensions and EZNEC plots for a 2 Element 30 meter Yagi antenna with 28 Ohm featuring 4.3 dBd Gain and a 16dB F/B with a good bandwidth.
[ Hits: 914 | Votes: 2 | Rating: 6.5 ]
Vertical Antenna for 30 meters band - Homebrew 30 meter full quarter wave vertical antenna.
[ Hits: 579 | Votes: 1 | Rating: 7 ]

Delta Loop DX Antenna for 40 meters band - A monoband delta loop antenna for the 7 MHz. This vertically polarized DX Antenna is a full wavelength sngle side antenna and has a total length of 42.3 meters (137,1 inch) Can be easily setup with a flag pole or fishing pole as center top mast. For optimal performance lower side should be at 2 meter above the ground. This antenna offers a low radiation angle and 1 DB Gain.
[ Hits: 433 | Votes: 3 | Rating: 6.33 ]

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: 2692 | Votes: 7 | Rating: 5.43 ]

3 Element Yagi for 40 Meters ^updated - An homebrew project for a 3 element coil-loaded Yagi beam antenna for 40 Meter band
[ Hits: 1083 | Votes: 3 | Rating: 5.67 ]

2 elements Folded Yagi Antenna for 6 Meters - 50MHz Collapsible 2 Element Mini Beam antenna, an overview the development of the 6MBA.
[ Hits: 740 | Votes: 1 | Rating: 10 ]
3 Element Beam for 50 MHz - A six meter band 3 element yagi beam antenna project with shortened elements using coax cables with the outer ends stripped and the center conductor shorted in somewhat of a Bazooka antenna.
[ Hits: 424 | Votes: 1 | Rating: 8 ]

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: 421 | Votes: 1 | Rating: 1 ]

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 ]

End-Fed antenna for 17 and 12 meters - Article about an end-fed anntenna for the 17 and 12 WARC Bands. 30 meters is not included in this project. This antenna includes a 14 windings unun impedance transformer using a FT-140-43 ferrite toroid, that should be enought for a 100W PEP.
[ Hits: 541 | Votes: 3 | Rating: 4.33 ]

Compact fan dipole for 40 30 and 20 meters band - An homemade fan dipole antenna for 20 30 40 meter bands, setup in a 15 meter wide garden. The longest leg for 40 meter is folded to fit in the 7.5 m
[ Hits: 1138 | Votes: 0 | Rating: 0 ]
The KL3JM modified SRI Fan Dipole for 80-40-20 Meters - The antenna in this project is a modification of the techniques used to design a multiband fan type dipole with little or no tuning involved having a total space of 105 feet
[ Hits: 502 | Votes: 1 | Rating: 5 ]

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: 856 | Votes: 2 | Rating: 5.5 ]

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 ]

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: 1053 | Votes: 5 | Rating: 6.8 ]

3 Element Yagi Antennas for 144 MHz SSB-CW - A great and efficient monoband VHF portable antenna. The article consist of two version of a 12.5 Ohm 3 elements yagi beam antenna plans for the two meter band, a full sized and a shortened version expecially designed for the SSB and CW on 144 MHz.
[ Hits: 427 | Votes: 4 | Rating: 8 ]

HA8DU Antenna Tuners - HA8DU European manufacturer of quality amateur radio antenna tuners for HF Bands, from 10 meter to 160 meters band. Products includes manual and automatic antenna tuners, power handling till 3.5 KW. HA8DU produce even custom made variable capacitors and rotary switches.
[ Hits: 399 | Votes: 4 | Rating: 7.5 ]

Cushcraft R8 Vertical Project - 40/30/20/17/15/12/10/6 Meters antenna setup and assembly with high res pictures of the R-8 Antenna
[ Hits: 279 | Votes: 0 | Rating: 0 ]