ant portable

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ant portable

312 links - and 5 categories

Antennas : 20M
  • Speaker Wire Delta Loop Antenna for 20M - The antenna I built was inspired by a portable delta loop designed by Doug DeMaw, W1FB. Given that I constrained myself to a 50-foot roll of speak wire, I scaled my antenna for the 20M band. Using the formula, 1005 divided by the frequency in megahertz, I calculated a total length of 71 feet (21.6 meters) for the center of the 20M band.
    [ Hits: 126 | Votes: 0 | Rating: 0 ]
Antennas : 2M
  • Portable Coaxial Dipole Flower Pot Antenna - A homebrew 2m 144.2 MHz vertical 1/2 wave Coaxial Dipole antenna project for your home QTH, SOTA, portable field operations/WICEN exercises or the emergency 2m Go-box. Elsewhere in amateur radio circles this antenna is known as a 2m Flower Pot Antenna
    [ Hits: 103 | Votes: 1 | Rating: 8 ]
Antennas : 40M : 40 meter Vertical Antennas
  • Shortened 40 meter Vertical for POTA SOTA - Build A Shortened 40 Meter Vertical antenna For POTA / SOTA Activations. A project for a portable wire antenna for 40 meters band suitable for POTA or SOTA operations.
    [ Hits: 124 | Votes: 1 | Rating: 10 ]
Antennas : 6M : 6 meter Yagi Antennas
  • A 6m beam for portable operations - A project for a six meters Yagi beam antenna, built mainly for portable operations. This is a 4 element Yagi beam with a 4 meters boom.
    [ Hits: 76 | Votes: 0 | Rating: 0 ]
Antennas : Baluns Antennas : Delta loop
  • Delta Loopy Ideas - Setting up a portable wire delta loop antenna with an MFJ 33ft telescopic fiberglass pole
    [ Hits: 101 | Votes: 0 | Rating: 0 ]
Antennas : End-Fed
  • Multiband portable wire antennas - Vertical end fed antenna used for portable operations. The antenna will work on 80 with acceptable results, it will work fine on 40m, and it will be a good deal better than a normal 1/4 wave GP on 20, 17, 15 meters.
    [ Hits: 186 | Votes: 0 | Rating: 0 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • End fed half wave antenna 40/30/20m - For my SOTA activities, i recently bought a QRP transceiver QRP SW-3B, which is a three-band QRP CW only for 40/30/20 m. So, i needed an antenna that would allow to use these 3 bands in SOTA portable activity. Already having some experience with the EFHW antenna, i decided to build one for 40/30/20m.
    [ Hits: 166 | Votes: 0 | Rating: 0 ]
  • EFHW Anntenna 40-10 for QRP - The author discusses their endeavour to create a compact, robust resonant antenna for QRP operations due to strong winds in their area. Primarily designed for 40m and 20m bands, the article offers adaptability for different bands. The author hints at future projects, including an extended 8010 EFHW variant, promising a lighter yet efficient design.
    [ Hits: 53 | 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 : J-Pole
  • Portable J-Pole Antenna - The Pocket Portable J-Pole Antenna, a neat little project that will prove useful for portable operation or improving your HT in the fringe areas.
    [ Hits: 97 | Votes: 0 | Rating: 0 ]
Antennas : Magnetic Loop
  • K1FM Mini Magnetic Loop - Original HF magnetic loop antenna designed by the author to work in conjunction with QRP transceivers like the FT-817 in portable operations. In this configuration the loop can operate from 30 to 10 meters. Using a two spires radiator of the same diameter it also covers 40 meters.
    [ Hits: 116 | Votes: 1 | Rating: 8 ]
Antennas : Slim Jim
  • 2m Slim Jim portable antenna for SOTA - Construct a portable 2m Slim Jim antenna for improved HT signal quality. Utilizing 450 ohm ladder line, the design offers flexibility, durability, and easy deployment. Tuning tips and mounting options enhance its efficiency in handheld transceiver communications
    [ Hits: 67 | Votes: 0 | Rating: 0 ]
Antennas : Towers
  • KD5RVX MicroVert Antenna - A Microvert antenna by KD5RVX based on the original microvert concept by DL7PE. PDF includes a 20 foot portable PVC tower project
    [ Hits: 441 | Votes: 0 | Rating: 0 ]
Antennas : Tuners
  • Portable T-Match ATU - Homebrew Portable T-Match ATU, VK1AD Portable T-Match Antenna Tuner (ATU) mounted in a plastic case, T-Match ATU Schematic – 3.5 to 52 MHz power rating 80 watts
    [ Hits: 101 | Votes: 1 | Rating: 8 ]
  • 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 : VHF UHF
  • Small DuoBand Antenna - This small dual band UHF VHF directional antenna is good choice for portable operations. This antenna is composed by a moxon antenna for the two meters band and it includes two parastatic elements for 70 cm band.
    [ Hits: 195 | Votes: 1 | Rating: 2 ]
Antennas : Yagi
  • More UHF Cheap Yagi Antennas - A collection of 450 MHz Cheap Yagis that have proven great portable operations, back-packing and transmitter hunts, and are something inexpensive you can throw up in the attic for that weak repeater
    [ Hits: 202 | Votes: 0 | Rating: 0 ]
Operating Modes : Portable Operations
  • Portable Operating Tips for Ham Radios - This article is from the book Ham Radio For Dummies and features some tips for portable amateur radio operations, on Field Day or generic outdoor operation, like selecting the proper antenna and portable power.
    [ Hits: 79 | Votes: 1 | Rating: 10 ]
  • Ham Radio And the Art of Bushcraft - This article explores the marriage of amateur radio and bushcraft, advocating the pleasure of setting up a portable station in nature rather than operating from the confines of a vehicle. The Parks on the Air (POTA) programme is highlighted as a catalyst for outdoor radio activities. The author shares his experiences and techniques, from transporting equipment into the wilderness to setting up shelters and antennas. Knot tying skills and the use of frogs are emphasized for efficiency, and a unique method for launching wire antennas is described. The article emphasizes the synergy between amateur radio and bushcraft skills, enhancing the enjoyment of radio operations in wilderness environments.
    [ Hits: 81 | Votes: 1 | Rating: 10 ]

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