lp antenna
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Antennas : 30M- Vertical Antenna for 30 meters band
- Homebrew 30 meter full quarter wave vertical antenna.
[ Hits: 579 | Votes: 1 | Rating: 7 ]
- Field Antenna for 40m
- The antenna was designed for installation in a field conditions or limited space. Antenna may be installed at a low- height mast. Antenna does not required guys and takes small room for installation.
[ Hits: 1825 | Votes: 3 | Rating: 5.33 ]
- 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: 2688 | Votes: 7 | Rating: 5.43 ]
- Homebrewing a 6 Meter Yagi
- In this PDF article Zack Lau describe how to homebrew a four element yagi beam antenna for 50 MHz band, including how to build mounting blocks and tubing clamps to hold elements.
[ Hits: 961 | Votes: 2 | Rating: 5.5 ]
- The Antenna Torque Calculator
- This unique online tool helps Ham Radio operators to choose the right rotator for medium and large HF antenna systems. The algorithm implemented in this calculator is the result of 40 years of experience in the HF Antenna sector. Given the Wind Speed, the total antenna square area, and the boom length, it will return the calculated torque value.
[ Hits: 178 | Votes: 1 | Rating: 1 ]
- Magnetic Loop Antenna Calculator Spreadsheet
- Excel spreadsheet that help calculating dimensions of a high efficiency magnetic loop antenna for HF bands. Giving in input the loop perimeter, loop diameter and loop conductor will calculate electric characteristics, bandwidth, and efficiency
[ Hits: 1877 | Votes: 4 | Rating: 9.25 ]
- HF multi-band Delta loop antenna
- A delta loop antenna that can be tuned all over HF bands with the help of a Icom AH-4 external antenna tuner.
[ Hits: 2527 | Votes: 19 | Rating: 5.73 ]
- Shortened EFHW Antenna 80-10m
- A shortened multiband antenna, about 23m long, for 80m - 10m bands with a low SWR (<1.3) on 80m and 40m, and <3 till 10m. Bandwith on 80m is 300kHz
[ Hits: 4114 | Votes: 10 | Rating: 6 ]
- Trap on Coax Cable
- A trap on the coaxial cable, also known as choke, helps to eliminate the sneaking of the reflected RF- energy to the shack. The trap can be made from the coaxial cable that feeds the antenna
[ Hits: 961 | Votes: 2 | Rating: 6.5 ]
- Fixture for fast assembling VHF Antennas
- This fixture id intended for fast assembly and disassembly of VHF antennas, expecially usefull for experimenters
[ Hits: 616 | Votes: 0 | Rating: 0 ]
- The Midnight Loop
updated
- An Experimental, High-efficiency, Graphic-Tunable Magnetic Loop antenna and loop controller in a 52 pages PDF presentation with drawings and pictures
[ Hits: 1173 | Votes: 2 | Rating: 8.5 ]
- Homemade Magnetic loops antennas by F5RDS
- Basic magnetic loop antenna examples and loop aerials theory explained. This article inclued some interesting tricks on building magnetic loop antennas and an usefull excell sheet to help compute magneti loop antennas calculating power efficiency from 10 to 40 meters band
[ Hits: 256 | Votes: 0 | Rating: 0 ]
- The Cubical Quad is Beautiful
- An interesting page about Quad antennas. Modelling QUAD antennas, comparing quad antennas to yagi antennas. Information on QUAD Antenna tuning and home brewing with help on calculating dimensions and tuning.
[ Hits: 2684 | Votes: 4 | Rating: 10 ]
- Fighting Antenna Corrosion - Antenna Maintenance
- How to make proper maintenance of your antenna. Fighting Antenna Corrosion is a QST article published in 1993 that helps on antenna maintenance works
[ Hits: 540 | Votes: 0 | Rating: 0 ]
- Antenna Mast Guying for Amateur Radio Antennas
- Article based on ROHN engineering specification that will guide on proper guying heights and guy lengths when guying ham radio antenna masts. It will help you determine ahead of time the proper length of guy wires and the distance from the base of the mast to the anchor points
[ Hits: 314 | Votes: 3 | Rating: 7.67 ]
- Simple Gain Antennas for the Beginner
- You do not need to invest an absurd amount of money to build a beam type of antenna. Good performance can be obtained with simple antennas made from some very ordinary materials. QST article
[ Hits: 1059 | Votes: 4 | Rating: 6.5 ]
- Alpha Antenna
- Civilianized and Militarized HF antenna systems for Portable, Base, Mobile, Manpack. Antenna manufacturer based in MO USA
[ Hits: 625 | Votes: 4 | Rating: 10 ]
- TelTad Online Shop
- TelTad is a Polish amateur radio dealer with an online shop. Products offered includes all major ham radio brands, Yaesu Icom Kenwood, Alpin, OM Power, VPA systems Antennas
[ Hits: 191 | Votes: 0 | Rating: 0 ]
- Daki Funkversand
- Daki Funkversand is a German based web shop for Amateur- & CB-Radio equipment. Our shop includes products such as radios, antennas, equipment, PMR, LPD & Freenet.
[ Hits: 327 | Votes: 1 | Rating: 10 ]
- Outdoor HF Antenna Switch
- The antenna swtich was designed to assist with antenna comparisons mande with a IP56 rated box
[ Hits: 773 | Votes: 0 | Rating: 0 ]
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