4 element

228 links - and 1 categories

HyGain LJ-153BA - The HyGain LJ-153BA a monoband 3 element Yagi, designed for the 15 m band 21.00 - 21.45 MHz
[ Hits: 842 | Votes: 1 | Rating: 4 ]

Yagi Antenna for 23cm ATV reception - A home made 23 elements yagi antenna for the 23cm band made on alluminium boom with floating element mounted on a plastic isolators. Includes a table with elements distances and lenght
[ Hits: 333 | Votes: 0 | Rating: 0 ]

2 element GP for 7 MHz - A 2-element Parasitic Ground Plane for 40 Meters concept antenna
[ Hits: 891 | Votes: 3 | Rating: 7 ]

7 MHz Alumium Delta Loop - An inverted triangle Delta Loop Antenna for the 40 meter band made with aluminium pipes, each element is 14,2 meters including a home made aluminium mount.
[ Hits: 1305 | Votes: 6 | Rating: 6.67 ]
2 element Delta Loop for 40m - A hand made project by I5CDF of a 2 elements Delta Loop antenna for the 40 meters band in Italian
[ Hits: 2892 | Votes: 7 | Rating: 4.86 ]

40m 2 Element Yagi Beam ^updated - A 40 meter band two elements yagi beam with a 6mt boom with pictures and drawings
[ Hits: 5860 | Votes: 22 | Rating: 5.35 ]
40 Meters 3 element Wire Yagi - A three element wire yagi antenna for 7 MHz project plan with drawings and EZNEC model
[ Hits: 2197 | Votes: 7 | Rating: 4.71 ]
2 Element Helical Yagi Beam for 40m - A helically wound two element 40 meter yagi beam antenna from a 1974 QST article
[ Hits: 6662 | Votes: 17 | Rating: 6.52 ]

6 elements Yagi for 6 meter - A six element yagi beam antenna for 50 MHz by KC4UMO
[ Hits: 695 | Votes: 1 | Rating: 6 ]
Six Meter Yagi Beam - Article describing how to homebrew a yagi antenna for 50 MHz, includes plans for a four and five elements yagi beam and details how how match impedence with a gamma match
[ Hits: 1039 | Votes: 3 | Rating: 4.33 ]

7 Element 440Mhz Yagi - An home made UHF 7 elements Yagi antenna project
[ Hits: 1106 | Votes: 7 | Rating: 8.57 ]

2 Elements Delta Loop for 14 MHz - A delta loop antenna for 20 meters band designed with MMana with a tuning system made in a classic stub configuration
[ Hits: 528 | Votes: 2 | Rating: 6.5 ]
2 Elements 20m Delta Loop - A 2 elements delta loop antenna for 14 MHz with a MMana simulation file, dimensions, pictures of this aluminium tube based delta loop antenna, and matching system details.
[ Hits: 591 | Votes: 1 | Rating: 6 ]

How to make a HB9CV - The HB9CV is a well known two element antenna of a directional beam type with a forward gain of 4 to 5 dBd. This one is for two metres but it can be scaled, from the dimensions in the diagram, for other bands I have also made them for four and six metres
[ Hits: 1476 | Votes: 9 | Rating: 4.45 ]

4 El. Quad Antenna for 144 MHz - A four element 2 meter quad antenna project
[ Hits: 1316 | Votes: 3 | Rating: 6 ]
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 ]
Shrunken 40 Meter Phased Quads - A 2 element small footprint 40 meter phased, reversible, downsized quad array antenna.
[ Hits: 1151 | Votes: 4 | Rating: 8 ]
2 Meter Quad PVC Pipe Antenna - A four elements quad antenna for 144 MHz made with PVC pipes
[ Hits: 984 | Votes: 2 | Rating: 6 ]