antenna hf

769 links - and 22 categories

7 Element 440Mhz Yagi - An home made UHF 7 elements Yagi antenna project
[ Hits: 1106 | Votes: 7 | Rating: 8.57 ]
UHF Dual Rectangle Antenna - The antenna described here is a direct-connect dual-rectangle beam for use on 70 cm between 440 and 450 MHz
[ Hits: 957 | Votes: 3 | Rating: 6 ]

Build your own HF balun - A balun is a MUST for dipoles or similar antennas when they are feed with coaxial cables. Many hams connect the center conductor of the coaxial cable to one side of the dipole, and the shield to the other. Wrong!
[ Hits: 1639 | Votes: 5 | Rating: 5 ]

End-Fed 6-40 M Multiband Antenna - This project produces an inexpensive, multiband, end fed HF antenna matchbox, quick and easy to setup. This project creates a trifilar wound, 9:1 UNUN toroid matching transformer. Handles 100W and need an antenna tuner.
[ Hits: 1996 | Votes: 4 | Rating: 8.25 ]

End Fed Half Wave Antenna Coupler - Centre fed half wave dipoles make great, simple and effective antennas for the HF bands. Sometimes however, the centre feed is not ideal. This great project will improve the overall antenna performance.
[ Hits: 1426 | Votes: 1 | Rating: 10 ]

VHF Log Periodic Antenna - 17-Element Very High Frequency/Ultra High Frequency Log Period Dipole Array
[ Hits: 1246 | Votes: 7 | Rating: 5.86 ]

Cavity antennas - Cavity antennas are weatherproof antennas for UHF and microwave frequencies. Require more metal for the same decibels of antenna gain but a cavity antenna is relatively easy to weatherproof.
[ Hits: 305 | Votes: 2 | Rating: 5.5 ]

70cm Moxon Beam - A moxon antenna project for 70 cm band, test and results of this popular antenna model applies to UHF bands.
[ Hits: 1735 | Votes: 9 | Rating: 6.34 ]

The Loop Skywire Antenna - Looking for an all-bad HF antenna that is easy to contruct, costs nearly nothing and works great DX ? Try the Loop Skywire by W0MHS
[ Hits: 3163 | Votes: 9 | Rating: 8 ]

OCF Dipole - This is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It is a dipole fed off center with a 4:1 current balun at the offset feedpoint. The antenna shown covers 80, 40, 20 and 10 meters with 15 meters and WARC bands
[ Hits: 2559 | Votes: 7 | Rating: 9.43 ]

2 Meter 5 Element Quad - A five element quad antenna for 144 MHz DIY Project. This 2 Meter 5 Element Quad antenna was modeled using EZNEC, with a boom from a UHF TV antenna and CPVC pipe for spreaders. Constructed for 146MHz, it exhibits a gain of 10.7dB and an impedance of 75 ohms. Real-world results surpass the HT antenna, reaching over 20 repeaters up to 75 miles away. The design, costing around $10, employs simple tools for assembly.
[ Hits: 1889 | Votes: 9 | Rating: 6.23 ]

Quick Easy portable HF antenna - Building an RFD antenna, a easy to build portable aerial
[ Hits: 1340 | Votes: 2 | Rating: 8.5 ]

Travel-ready VHF/UHF Yagi - A portable VHF/UHF portable 6 element Yagi antenna project by OH2GVB
[ Hits: 621 | Votes: 2 | Rating: 4 ]
VHF Yagi from Old TV Antenna - 6m/2m/70cm Yagi Antenna Built from Old TV Antenna This turned out to be a great little antenna. It works the 6 meter, 2 meter and 70 centimeter bands. You can use one common feedpoint or two seperate feedpoints depending on how you would like to connect this antenna to your transceiver.
[ Hits: 731 | Votes: 2 | Rating: 10 ]

Butternut HF9V Clone - An home made Butternut HF9V clone antenna by OH2GVB
[ Hits: 1355 | Votes: 4 | Rating: 8.25 ]

Raibeam Antennas - Ham radio yagi beam antennas manufacturer based in NY USA. Produce monoband and multiband yagi antennas fot HF and VHH
[ Hits: 604 | Votes: 1 | Rating: 1 ]

Antenna Europe - Antenna Europe is an Lithuanian ham radio HF antenna manufactured specialized in Quad Antennas. Makers of Cubical Quad Antennas, Yagi Antennas, Antenna switches, Transformers and Robinzon Antennas
[ Hits: 1277 | Votes: 1 | Rating: 1 ]

Ham Radio Antenna Installation on a Van - The RoadTrek design presents some unique challenges to us hams. Here an example of a VHF and HF antenna installation on a VAN
[ Hits: 1071 | Votes: 2 | Rating: 5.5 ]

MFJ-259B Reviews - eHam reviews of the MFJ-259B HF/VHF Antenna Analyser
[ Hits: 206 | Votes: 0 | Rating: 0 ]

RF Problems and the HF Vertical Antenna - Are you having RF problems in the shack since you put up your HF vertical antenna? This is a common problem with an easy solution.
[ Hits: 1585 | Votes: 9 | Rating: 6.33 ]