wire tuner

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wire tuner

35 links

Antennas : 40M : 40 meter Dipole Antennas
  • Linear Loaded 40m Dipole - Dipole for 40m band. It is a simple linear loaded dipole feeded with 450-Ohm openwire feedline. Designed it for resonance at 7.050 MHz, can be tuned on 30m and 80m bands with an external antenna tuner. Build with simple electrical copper wire (2.5 mmq/13 awg) and two fishing poles with size of about 7 m/23 ft.
    [ Hits: 160 | Votes: 0 | Rating: 0 ]
Antennas : Delta loop
  • Random lenght Delta Loop Antenna - A multiband delta loop antenna made with a random leght wire and a 450 Ohm Balanced line. Antenna tuner is required.
    [ Hits: 1895 | Votes: 12 | Rating: 8.59 ]
  • 160m Inverted Delta Loop - This 160 meter Delta Loop antenna is made of Hard drawn copper wire AWG 10, the two upper side are 148.5 foot each base wire is 240.9 foot, the feed point at 30.69 foot to one corner, feed with 450 Homs balanced line to an antenna tuner on the ground, then with 50 homs coax to the shack.
    [ Hits: 112 | Votes: 0 | Rating: 0 ]
Antennas : Feed Lines : Choke
  • RF Choke with Bifilar Windings - This article presents an RF Choke featuring an 11-bifilar turn winding of #14 house wire on a Fair-rite FT240-31 toroid. The choke is enclosed in a 3D-printed case from Thingiverse, though this may pose thermal concerns at higher power levels. With SWR concerns up to 30MHz, the author plans to employ two series chokes at the rig input for improved performance. This choke offers versatility for portable use, with potential mismatch resolution using an antenna tuner. Further testing is anticipated upon the arrival of new cables.
    [ Hits: 85 | Votes: 0 | Rating: 0 ]
Antennas : Loop
  • Quad Loop Antenna for 50 MHz - Building A Full-Wave Quad Loop Antenna for 6 Meters. This is an easy antenna to build and the materials cost about $15-20. It exhibits 1.8dB gain over a 1/2-wave dipole. Using an open-wire parallel feedline (commonly called ladder line) with an antenna tuner, it tunes up on the 10m band as a 5/8-wave loop as well
    [ Hits: 196 | Votes: 1 | Rating: 1 ]
Antennas : Portable
  • Antennas for portable operations - Article describing various type of portable antennas, from verticals, to dipoles, vertical dipoles, random wire with tuners, and end-fed antennas
    [ Hits: 500 | Votes: 0 | Rating: 0 ]
Antennas : Stealth
  • Balcony Vertical HF Antenna - The simple balcony vertical HF antenna made with plastic fishing pole. Just along the pole I install copper wire in 7 meter length. Then was installed ATU. It was used home brew tuner. For each band was used one counterpoise in length 0.8 x lambda/4
    [ Hits: 237 | Votes: 0 | Rating: 0 ]
Antennas : Tuners
  • QRP Random Wire Tuner - A small random wire antenna tune that can tune from 40 to 10 meters bands.
    [ Hits: 1210 | Votes: 1 | Rating: 10 ]
  • F5RDS remote antenna tuner - An home made remote antenna tuner project that with a 6 meter random wire and two radials of about the same length, can tune from 40 to 10 meters without any issue.
    [ Hits: 346 | Votes: 2 | Rating: 2 ]
  • QRP Z Match Antenna Tuner Project - A Home made antenna tuner for QRP transceivers. This small tuner is the ideal for portable operations with random length wires or whenever you have not a resonant antenna.
    [ Hits: 107 | Votes: 1 | Rating: 10 ]
Antennas : Wire
  • 80 meter half wave wire antenna - How to build a no tuner 80 meter, half wave wire antenna that takes full advantage of the phone portion of the band known as 75 meters.
    [ Hits: 1474 | Votes: 2 | Rating: 7 ]
  • Long Wire Antenna for portable operations - With the view to establish a quick and easy multi-band antenna deployment for portable and camping operations a simple long wire antenna with an earth or earth plus counterpoise arrangement with a 9:1 voltage unun including a tuner or simply with a tuner is one possible solution. With the 9:1 voltage unun and wire lengths suggested in the below tables the antenna should present non extreme impedances for all HF amateur band frequencies. This page is far from complete and represents the ongoing investigation into this type of antenna. Experiments to date seem to have raised more questions than obvious answers.
    [ Hits: 796 | Votes: 13 | Rating: 8.69 ]
  • The UnTenna - Multiband random wire unun (unbalanced to unbalanced) for use with rigs with builtin autotuners.
    [ Hits: 236 | Votes: 0 | Rating: 0 ]
  • The Squid Pole Wire Antenna Re-visited - The author explores enhancing the performance of a 7-meter fiberglass squid pole wire antenna for amateur radio. The wire, resonant at 10MHz, poses impedance challenges on various bands. Experimenting with direct coax feed and UN-UN transformers, the LDG Z11-Pro2 auto-tuner is found effective but may show deceptive SWR readings. The author employs adjustable UN-UN ratios and introduces a custom "porcupine" coil to optimize the antenna's efficiency.
    [ Hits: 87 | Votes: 0 | Rating: 0 ]
Radio Equipment : Antenna Tuners : Icom AH-4

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