antennas and more

antennas and more

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• Short antennas for 160m - Often it is not possible to erect a full quarter wave verticals, especially on 160m or even more so at 600m. In this article N6LF illustrate some ideas.
  [ Hits: 1135 | Votes: 1 | Rating: 10 ]

• 7dB VHF Collinear Antenna - This project is about a cheap way of building a colinear antenna for VHF 145MHz, and having about 10dB more gain than that little 1/4-wave magmount
  [ Hits: 4756 | Votes: 15 | Rating: 6.41 ]

• 10 15 20m Open Sleeve Dipole - Based on a simple project based on a 2 elements Yagi for 20m band, and then becomed a triband yagi with a open-sleeve feed system
  [ Hits: 786 | Votes: 3 | Rating: 3 ]

• 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 ]

• OCF Dipoles - About windom antennas and OCF dipoles, tricks on covering more bands moving feed-points and potential problems. Problems caused by common mode currents in OCF dipoles
  [ Hits: 670 | Votes: 0 | Rating: 0 ]

• Rhombic antennas - Article on rhombic antennas, radiaton patterns, disvantages, and more info on rhombic aerials
  [ Hits: 2947 | Votes: 3 | Rating: 7 ]

• Optimizing half-wave sloper arrays for 160 meters - This article presents a 160-meter variation of this family of antennas and, more importantly, a discussion of the details of how to get such a beast working really well.
  [ Hits: 5240 | Votes: 2 | Rating: 7 ]

• X-Beam antennas - Two element X-Beam is a high-performance broad-band antenna that is ideal for Ham radio operators with limited space. X-Beams are inexpensive and easy to build. The performance of the simple X-beam is amazingly similar to larger, more conventional antennas by 4S7NR
  [ Hits: 4041 | Votes: 11 | Rating: 7.46 ]

• Measuring 2.4 GHz Helix Antennas - It is not very difficult to design and make a helix antenna for a specific frequency and gain. It is more difficult for the serious experimenter to make precise measurements of the finished antenna.
  [ Hits: 748 | Votes: 5 | Rating: 9.2 ]

• Ham Radio Tower at N0HR - Ham Radio Tower Project at N0HR. Includes site plan, escavation, tower construction, HF antennas, grounding and lightning protection, coax and more.
  [ Hits: 2962 | Votes: 2 | Rating: 8 ]

• P3A - Russian contest team - On this page you will find information about previous, current and future operations of our contest team, different articles, links and info about contesting, DXing, contests calendar, propagation, antennas, equipment, awards, and much more.
  [ Hits: 559 | Votes: 0 | Rating: 0 ]

• DXHAMFEST - View online hamfest listings for Amateur Ham Radio & CB Radio gear such as mobile radios, walkie talkies, FRS and GMRS radios, scanners, antennas and more.
  [ Hits: 659 | Votes: 2 | Rating: 10 ]
• eham.ca Ham Radio Classifieds - Ham and Amateur Radio Swap - Buy, Sell, Trade, Swap, radios, amplifiers, antennas and more. Classified ads for Canada, Ontario, Quebec, Maritimes, Prairies, British Columbia and USA
  [ Hits: 435 | Votes: 2 | Rating: 5.5 ]

• QRPproject - QRP and Homebrew HAM Radio by DL2FI and DL7NIK QRP Made in Germany and more QRP Kits, qrp transceivers, accessories, mini keyers dealer for antennas, atu and more accessories
  [ Hits: 10708 | Votes: 11 | Rating: 6.64 ]

• SOTA Beams - Dedicated to State-of-the-Art lightweight portable radio. Sotabeams produces and sells amateur radio products dedicated to ham radio portable operations. Antennas, supports and masts, filters, wires and more accessories for amateur radio.
  [ Hits: 1439 | Votes: 2 | Rating: 7.5 ]
• RF HAMDESIGN - An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas, 3dB high power RF couplers, Antenna power splitters, directional RF couplers and more items for RF transmission from HF through Microwave frequencies.
  [ Hits: 1616 | Votes: 5 | Rating: 9 ]

• Hy Power Antenna Company - US amateur radio antenna manufacturer. Produce baluns, delta loops, dipoles, ocf antennas and more
  [ Hits: 618 | Votes: 2 | Rating: 8 ]

• CQ Shop Ham Radio Store Hong Kong - Hong Kong's only full-service amateur radio store. Full line of Amateur Radio and Two-way equipment and accessories from companies such as Yaesu, Icom, Kenwood, Motorola, MFJ, Alinco, Diamond, AOR and many, many more. Knowledgeable staff with many years of experience in the radio business TAX-FREE shopping (no sales, VAT, GAT or other taxes) HF, VHF, UHF transceivers, receivers, walkie-talkies, antennas, antenna tuners, coax and connectors
  [ Hits: 9704 | Votes: 17 | Rating: 4.47 ]

• DUAL - Antenna and ham equipment manufacturer in Serbia. The Dual company has been producing antennas for more than 25 years focusing on wide bandwidth, designs that work equally well in all weather conditions, very low SWR and superior G/T, F/B and F/S ratios
  [ Hits: 400 | Votes: 2 | Rating: 6 ]

• W5GRG.NET The Finest in Used Ham Gear - Amateur Radio Amateur Radio Manuals & Books Computer Books & Programs Computer Hardware Rare & Hard to Find Books amateur radio,electronics ,electronis parts,tubes, amplifiers,towners, beam antennas and more
  [ Hits: 258 | Votes: 0 | Rating: 0 ]

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