dipoles

dipoles

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• Directional Helical Antenna - This antenna is intended for the 20-meter Band. There are two Voltage Fed Helical Dipoles, made with 2 slinky that fed with phase shift in 90 degree
  [ Hits: 1087 | Votes: 1 | Rating: 8 ]

• VHF Resonant Feedline Dipoles - Resonant Feedline Dipoles for 4m and 2m
  [ Hits: 1216 | Votes: 0 | Rating: 0 ]

• Build your own HF balun - A balun is a MUST for dipoles or similar antennas when they are feed with coaxial cables. Many hams connect the center conductor of the coaxial cable to one side of the dipole, and the shield to the other. Wrong!
  [ Hits: 1639 | Votes: 5 | Rating: 5 ]

• The Short Dipole Using Coils - A very popular method of making a short dipoles resonate at a given frequency. This type of antenna is suitable for single band, narrow bandwidth use.
  [ Hits: 513 | Votes: 0 | Rating: 0 ]
• Windom (OCF) Dipoles - Basic dipole antennas by KN9B
  [ Hits: 407 | Votes: 3 | Rating: 9 ]
• Bent Dipoles reference website - Antenna modeling discussions about What happens if... a dipole is bent horizontally, laterally, vertically. Zig-zag, meander, catenary curve. Effect of sag, elevation, radials. OCF off-center feed, harmonics. Includes 4NEC2 antenna models for each study.
  [ Hits: 710 | Votes: 0 | Rating: 0 ]

• Resonant Feedline Dipole - Experiences with the end-fed dipole based on the concepts presented by J. Taylor in an article titled RFD-1 and RFD-2: Resonant Feed-Line Dipoles in QST. August 1991.
  [ Hits: 736 | Votes: 1 | Rating: 3 ]

• End Fed Half Wave Antenna Coupler - Centre fed half wave dipoles make great, simple and effective antennas for the HF bands. Sometimes however, the centre feed is not ideal. This great project will improve the overall antenna performance.
  [ Hits: 1426 | Votes: 1 | Rating: 10 ]

• Multiband Dipole - Interesting article on multiband fan dipoles. This article give an overview on designing this wire antenna, and planning a robust installation and proper feed line. Includes notes on setting up a commercial fan dipole antenna and on how diy your own.
  [ Hits: 1382 | Votes: 4 | Rating: 6.75 ]
• WA2HIP Fan Dipoles - Two find dipoles one for 75/40/20 and the other for 20/15. These 2 dipoles are at right angles to each other and the 20/15 dipole is located about 6 feet below the 75/40/20 fan dipole.
  [ Hits: 617 | Votes: 1 | Rating: 10 ]

• Antenna Mast 2.0 - Setting up a new antenna Mast for dipoles at VE3VN
  [ Hits: 774 | Votes: 0 | Rating: 0 ]

• Cup Dipole Antenna for 13cm - A cup dipole antenna plan for 13 cm band and basic design guide of cup dipoles
  [ Hits: 302 | Votes: 1 | Rating: 9 ]

• Multiband Dipoles - Random Length Multiband Dipoles can be a good solution for field day operations or outdoor activity, read more at ARRL web site
  [ Hits: 852 | Votes: 1 | Rating: 1 ]

• 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 ]

• Overview on some SOTA portable antennas - A review of some portable antennas for SOTA operations, including linked dipoles, end-fed, verticals
  [ Hits: 686 | Votes: 1 | Rating: 4 ]

• Curtain Antenna - An antenna for shortwave radio broadcasting consisting of rows and columns of dipoles, is a high gain directional antenna, designed for medium and long range communications.
  [ Hits: 854 | Votes: 0 | Rating: 0 ]

• Dipoles and Vs at correct height - Dipoles at the correct height are not only stealthy antennas, they work great
  [ Hits: 746 | Votes: 2 | Rating: 8 ]

• G0KYA EFHW HF antenna - A 11 pages pdf file about monoband or multiband end fed half wave vertical antenna that is great for DX and very cheap to build by Steve G0KYA
  [ Hits: 1925 | Votes: 0 | Rating: 0 ]

• Basic Wire Antennas Part I - A presentation of popular wire antenna models like Dipoles, half size, full size, doble zepp, ocf dipoles, G5RV
  [ Hits: 1652 | Votes: 0 | Rating: 0 ]

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

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