2m coax antenna
15 links
- The 2-Element-HB9CV-Beam
- The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV in the 1950ies. This beam antenna is a coax-feeded version of the ZL-Special
construction by DK7ZB for 2m, 6m and 10m
[ Hits: 19716 | Votes: 407 | Rating: 7.56 ]
- The Little Stick Antenna
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- The Little Stick antenna is an aluminium version of the Vertical Bazooka design which was made from coax.
[ Hits: 33940 | Votes: 7 | Rating: 1.85 ]
- Squarooka Antenna - squared bazooka for 2 meters band
- Sort of similar to the one of the 6m omni. Instead of using twin-lead, this design makes use of a more or less regular double bazooka antenna (coaxial dipole). Your attention shall be drawn to the available standart literature, such as Rothammel.
In order to "compute" the dimension, Karl Rothammel mentioned that the total length of the dipole shall be 95% of the free-space wavelength. The short-circuit bridges (closing the folded dipole) are to be placed at a distance-fraction being equal to the velocity factor of the coax cable used, which will be 66% using RG-58 or RG174.
[ Hits: 356 | Votes: 0 | Rating: 0 ]
- Lightweight 144 MHz Yagi antenna
- A Lightweight 2m Yagi for SOTA. The boom is 20mm PVC electrical conduit and the elements are 2.4mm aluminium TIG welding rod. The antenna is carried as a single length of conduit with the elements stowed inside the boom, sealing them in with a bung. The driven element is connected directly to 50 Ohm coax with a BN-43-202 balun core to decouple the coax shield.
[ Hits: 178 | Votes: 0 | Rating: 0 ]
- Coax Dipole for 2 meters band
- A homebrew 2m 144.2 MHz vertical 1/2 wave Coaxial Dipole antenna project for your home QTH, SOTA, portable field operations/WICEN exercises or the emergency 2m Go-box. Elsewhere in amateur radio circles this antenna is known as a 2m Flower Pot Antenna
[ Hits: 250 | Votes: 3 | Rating: 6 ]
- Portable Coaxial Dipole Flower Pot Antenna
- A homebrew 2m 144.2 MHz vertical 1/2 wave Coaxial Dipole antenna project for your home QTH, SOTA, portable field operations/WICEN exercises or the emergency 2m Go-box. Elsewhere in amateur radio circles this antenna is known as a 2m Flower Pot Antenna
[ Hits: 105 | Votes: 1 | Rating: 8 ]
- The Broadband Double-Bazooka
- The Broadband Double-Bazooka Antenna- How Broad Is It? Adapted from Technical Correspondence, QST, September 1976, the increasing interest in using the coaxial dipole via W2DU
[ Hits: 5210 | Votes: 2 | Rating: 6.5 ]
- Simple J-Pole for the 2m band
- A very essential j-pole antenna for 144 MHz. To adjust the SWR you will have to play with the 40mm distance between the coax feed and the braid inner conductor connection
[ Hits: 174 | Votes: 0 | Rating: 0 ]
- Magnetic Loop HF antenna
- An homebrew HF Magnetic loop made with 2m length of 6mm diameter copper pipe formed into a near circle as the low loss inductor, a short length of coax as a capacitor,a short length of mains cable, again as a fixed tuned capacitor, a tunable 365pF air spaced capacitor, and a small Jackson C804 airspaced variable with a small 3-35pF trimmer in parallel
[ Hits: 131 | Votes: 0 | Rating: 0 ]
- Coaxial half-wave antenna
- A handy solution to have a half wave antenna for fieldwork on a 12m fishing rod.
[ Hits: 682 | Votes: 1 | Rating: 2 ]
- FBK 2/70 portable coax antenna
- A small antenna for 2m and 70cm
[ Hits: 4329 | Votes: 9 | Rating: 5 ]
- FBK 2m-70cm dualband coax antenna
- A travel, or a fixed vertical coax antenna originally designed by PA0FBK. This antenna is very easy to make from a piece of 50 ohm or 75 ohm coaxial cable, and can be either smooth, roll-up version, or rigid cable
[ Hits: 354 | Votes: 3 | Rating: 9.33 ]
- Diplexer 2m 70cm
- This DIPLEXER separates 2m from 70cm on the same coax cable, and allows to use 2 antennas over the same cable and permits transmission on one band
and simultaneous receiption on the other band by hb9abx
[ Hits: 3792 | Votes: 12 | Rating: 7.75 ]
- Lightning protection Coax box
- A lightning protection box done to disconnect antennas from the shack by PE2MC
[ Hits: 586 | Votes: 0 | Rating: 0 ]
- Lightning protection Steppir/Coax box
- PE2MC lightning protection solution for his Steppir antenna
[ Hits: 376 | Votes: 0 | Rating: 0 ]
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