antenna 5 mhz
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Antennas : 2M- Make your own 2 metre 5/8 whip antenna
- This article is about a home made project of a whip antenna for 2 meters band. Includes lenght of whip for all frequencies from 140 MHz to 151 MHz both in mm and inches
[ Hits: 387 | Votes: 1 | Rating: 5 ]
- 50MHz / 6m J-pole Antenna by VK4ADC
- The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarized antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub.
[ Hits: 443 | Votes: 4 | Rating: 6 ]
- Simple 50MHz J-Pole Antenna EA7AHG
- Based on the popular DK7ZB simple 50 MHz Jpole antenna, this customized jpole project has been analized with MMANA-GAL and reproduced for six meters, two meters and 70 cm bands.
[ Hits: 280 | Votes: 1 | Rating: 4 ]
- J-POLE for 50MHz by IZ0UPS
- The J Pole antenna is a good omnidirectional antenna that can be used for portable or fixed station usage. It does not need a ground, and neither complex feed systems. It can be homemade with simple material and in several ways.Article in Italian
[ Hits: 245 | Votes: 2 | Rating: 10 ]
- J-Pole Antenna for 50 MHz
- This J-Pole is mounted on a fishing rod. The radiator L1 is an isolated copper-wire with a length of 281,5 cm while the quarter-wave matching sector L2 is made with 450-Ohm-Wireman-cable
[ Hits: 223 | Votes: 0 | Rating: 0 ]
- Buddipole as a J-Pole for 50 MHz
- How to setup and configure the buddipole antenna in the J-Pole mode for the six meter band
[ Hits: 303 | Votes: 0 | Rating: 0 ]
- 6 Meter Homemade J-Pole Antenna
- A homemade j-pole antenna for six meters band, designed to work on local repeaters, and working on the 52-53 MHz. Includes a list of needed materials and detailed description on assembling the copper tubes used to build this antenna.
[ Hits: 254 | Votes: 3 | Rating: 4.67 ]
- Building the 6 Meter Moxon Antenna
- A moxon antenna for the 50 MHz build with 19 feet of 14 AWG copper wire, and based on a set of PVC pipes.
This is an easy to build project that will give you an efficient directional antenna on 6 meters band with low SWR on more than 1 MHz bandwidth.
[ Hits: 508 | Votes: 4 | Rating: 7.75 ]
- TriBand Moxon Antenna for 6m 4m 2m
- A PDF presentation of a home made moxon antenna for 50 MHz 70 MHz and 144 Mhz. The project is mainly out of surplus plastic Plumbing pipes and clips etc, and also details of how the dimensions were calculated.
[ Hits: 1367 | Votes: 7 | Rating: 7.11 ]
- 6 Elements Yagi Antenna on 50 MHz
- This is a design based on the QuickYagi 4 software by WA7RAI with some changes for practical reasons. The beam uses 6.5 metres of standard 25mm square boom, 12mm diameter elements without tapers. The actual boom length used is 6.3 metres and all parts are readily available.
[ Hits: 134 | Votes: 2 | Rating: 6 ]
- Top Loaded Vertical Antenna for 80 Meters Band
- Top Loaded Vertical Antenna 3,5 MHz 80m and a 14 MHz Trap for the 20m band. The weight of this portable vertical antenna is less than 1 kg, including the ground network. The weight of the telescopic fiberglass fishing rod is another 1kg. The rod expands from 1.5 meters to 8 meters.
[ Hits: 268 | Votes: 0 | Rating: 0 ]
- The Short Dipole
- There are several ways to reduce the length of a dipole and still use it as an effective antenna. Remember it is the electrical length that determines resonance. The physical length can be considerably less than a half wave length on your desired frequency as determined by 468/f MHz.
[ Hits: 203 | Votes: 0 | Rating: 0 ]
- Fan Dipole Antenna for 40 20 and 6 meters
- A fand dipole antenna home made for the 7,14,50 MHz.
This article descbribes how to homebrew the antenna, hot to setup and some SWR measurements.
[ Hits: 329 | Votes: 0 | Rating: 0 ]
- J-Pole Construction Drawings
- Complete plan for making a 2-meter J-Pole antenna.
This drawing in PDF File includes a detailed list of the parts needed to assemble the Jpole antenna for 144 MHz.
[ Hits: 256 | Votes: 3 | Rating: 4 ]
- Multiband trap dipole
- This antenna is a classical antenna working on 7,10,14,18,50 MHz is implemented with three traps for 30, 17 and 6 meters
[ Hits: 271 | Votes: 0 | Rating: 0 ]
- Portable NVIS Loop for 80m to 40m
- A portable (15.5 foot diameter) NVIS loop for 3.5 to 7.3 MHz. Performs well at high and low takeoff angles, and has smaller footprint than most NVIS antennas.
[ Hits: 367 | Votes: 0 | Rating: 0 ]
- VHF-UHF Long Boom Very High Performance Antenna Designs
- Experimental Long Boom Antennas - CP, LPDA, multiband with several NEC Files for 50MHz 144MHz 222 MHz 432MHz but also 902MHz and 1296 MHz Antenna projects.
Includes also for each antenna model, in a general comparison table each antenna characteristics including Directive Gain, G/T, E-F/R, H-F/R abd Boom Length. This is a great value comparison table of several commercial and home made VHF UHF antenna projects.
[ Hits: 190 | Votes: 1 | Rating: 10 ]
- Modifications to the Diamond V2000 and similar antennas
- This kind of antenna has grown in popularity over the last years because it gives you a decent performance and triband capabilities. But its 50 MHz design is far from optimal. Here you can learn how to improve its 50 MHz performance in a very easy way.
[ Hits: 631 | Votes: 2 | Rating: 9.5 ]
- HG7AN Antenna Analyzer
- Antenna Analyzer plus 500 is a multifunctional measuring instrument, very useful for amateur radio activity. Its size allows you to easily take it for relocation as well. Frequency range: 100KHz - 500MHz. Access directly via WiFi. Includes a dual-channel signal generator
[ Hits: 266 | Votes: 1 | Rating: 10 ]
- Antuino - Antenna Test Equipment
- Antuino is an accurate instrument that can be used in the field to measure SWR, field strength, modulation, etc. In the lab, it can be used to sweep filters, measure gain, distortion, frequency response, etc. It works upto 150 Mhz. On the third harmonic, it is usable on 435 Mhz band as well (with reduced sensitivity).
[ Hits: 306 | Votes: 0 | Rating: 0 ]
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