df antenna

df antenna

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• 5 Element, 2 Meter Yagi Antenna - Five- Element, 2 Meter Yagi for around $20. This antenna is easy on your wallet and easy to build!
  [ Hits: 3362 | Votes: 16 | Rating: 4.87 ]
• A Portable Quad for 2 Meters - Backpacking, boating or mountaintopping ? Invest your time and pack this novel directional gain antenna on your next expedition
  [ Hits: 1577 | Votes: 7 | Rating: 6.86 ]

• 2 element Delta Loop for 40m - A hand made project by I5CDF of a 2 elements Delta Loop antenna for the 40 meters band in Italian
  [ Hits: 2892 | Votes: 7 | Rating: 4.86 ]

• 2 Element Helical Yagi Beam for 40m - A helically wound two element 40 meter yagi beam antenna from a 1974 QST article
  [ Hits: 6661 | Votes: 17 | Rating: 6.52 ]

• Phased Delta Loops - An interesting article with many technical details on a phased delta loop array for 80 meters band includes pictures of antenna relays
  [ Hits: 2000 | Votes: 4 | Rating: 10 ]

• Vertical Dipole Array - A simple and awesome wire monoband antenna, very usefull for portable and dxpeditions usage, consist of two elements, a driver and the reflector. This endfed halfwave gives a very low take off angle and is very suited for chasing DX.
  [ Hits: 1255 | Votes: 2 | Rating: 6.5 ]

• W3EDP Antenna - W3EDP antenna for 16 - 160 Meters, works by attaching the antenna to a balun and use coax to connect the antenna to the tuner.
  [ Hits: 2146 | Votes: 2 | Rating: 10 ]
• End Fed Long Wire Antenna - The antenna is an inexpensive, multiband, end fed HF antenna. It has a matching network consisting of a toroid core and an antenna lead of 30
  [ Hits: 2259 | Votes: 5 | Rating: 5.2 ]

• Simple Coax Mag Loop Antenna - A homemade Magnetic Loop antenna from a spare 3m length of RG213 working from 30m to 15m with a 130pF tuning capacitor
  [ Hits: 4004 | Votes: 11 | Rating: 7.18 ]

• 5 Band Telescopic Vertical Antenna - 5 Band 1/4 wave Telescopic Antenna. The 20m to 10m, antenna is simple and cheap to make, and has a performance that matches commercial antennas but at cost considerably lower. The design was purposely based on a telescoping fibre glass fishing rod as this allows it to be easily stowed away in the car.
  [ Hits: 3607 | Votes: 3 | Rating: 9.33 ]

• NVIS Antenna Design - A presentation on designing Near-Vertical Incidence Skywave (NVIS) antennas and all related EZNEC models in a single zip file or the single presentation in PDF File
  [ Hits: 489 | Votes: 1 | Rating: 9 ]

• OCF Dipole - This is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It is a dipole fed off center with a 4:1 current balun at the offset feedpoint. The antenna shown covers 80, 40, 20 and 10 meters with 15 meters and WARC bands
  [ Hits: 2559 | Votes: 7 | Rating: 9.43 ]

• Portable or Emergency VHF Antennas - Ground Plane - 1/4 wave vertical, J-Pole, 3 Element Yagi Beam and simple antenna supports
  [ Hits: 1010 | Votes: 1 | Rating: 8 ]

• All About Antennas - A free five part series on antennas that covers many aspects of antennas, from radio wave propagation, to feed lines, type of antennas, connectors, adaptors and antenna switches by Bob Grove, publisher of Monitoring Times
  [ Hits: 1180 | Votes: 3 | Rating: 7.5 ]

• Z-Match Antenna Tuner - A 100-watt Compact Z-Match Antenna Tuner that can match just about anything on all HF bands, and only uses two control
  [ Hits: 2313 | Votes: 2 | Rating: 5.5 ]

• A Low Cost Multi Band - W3DZZ trapped multi-band antenna, exposed in this practical wireless article
  [ Hits: 2056 | Votes: 3 | Rating: 7 ]
• W3DZZ Multi-band Antenna 80-40-20-15-10m - A multiband antenna that can work from 80 to 10 meters in this illustrated docuemnt by G8ODE
  [ Hits: 2731 | Votes: 4 | Rating: 8.75 ]

• The Yagi-Uda Antenna - An interesting presentation on history and characteristics of Yagi-UDA antennas
  [ Hits: 661 | Votes: 0 | Rating: 0 ]

• HF Antennas for Beginners - 30 Meters and Below - An interesting article for beginners that guide new hams to find what kind of antenna to install, evaluating wire aerials, commercial verticals and how to setup antennas in restricted lots
  [ Hits: 858 | Votes: 1 | Rating: 4 ]

• MA5B Manual - Cushcraft MA5B 20 / 17 / 15 / 12 / 10 Meter Beam Antenna assembly and installation manual
  [ Hits: 692 | Votes: 1 | Rating: 1 ]

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