h e c portable radio

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h e c portable radio

136 links - and 1 categories

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 : 4M
  • 70Mhz (4 metre) Delta Loop Antenna - Discover the success story of creating a 4-meter Delta Loop antenna, ideal for improving radio communication. This horizontally polarized antenna offers efficient performance when mounted at VHF heights, catering to both HF and VHF characteristics. A simple, DIY project suitable for portable setups, providing versatile options for radio enthusiasts.
    [ Hits: 53 | Votes: 1 | Rating: 4 ]
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 : Dipole
  • Field-Tested VP2E Antenna - The author explores the VP2E antenna, introduced by Ed Durrant DD5LP, for Portable Operations on the Air (POTA). Detailing its unique design, successful trials, and an unexpected propagation twist, the VP2E proves a promising addition to the author's portable antenna arsenal.
    [ Hits: 513 | Votes: 5 | Rating: 4.8 ]
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 : Portable
  • A Compact and Stealthy Field Portable Antenna - In the quest for an ideal field portable antenna, the author recounts experiments involving various wire configurations. While a previous candidate, a 41ft random wire, proved effective but lacked stealth, the search led to a surprising rediscovery of a design previously rejected—the Rybakov Antenna. With a focus on simplicity, rapid deployment, and multiband capability, the author explores the versatility of a 26ft Rybakov, avoiding the halfwave trap. The article delves into the antenna's performance and its potential as a discreet, resonant solution for field operations, addressing the challenges encountered during a POTA activation. Additionally, the Unun/Balun design used in conjunction with the Rybakov Antenna is discussed, providing insights into achieving a balanced system.
    [ Hits: 149 | Votes: 1 | Rating: 1 ]
Antennas : Wire
  • Wire on the Ground: Portable Radio Success with Grasswire Antenna - The author shares a unique experiment with a 200ft Grasswire antenna—laying wire directly on the ground. Despite inherent losses, the setup enables successful radio communication with a Kentucky station, highlighting the antenna's practicality for portable use with minimal power.
    [ Hits: 97 | Votes: 0 | Rating: 0 ]
Manufacturers : Digital Mobile Radio
  • Kydera - A high-technology enterprise specializing in the R&D, production and sale of two-way radio equipment for over twenty years. DMR Radio, Digital and analog portable radio manufacturer based in China
    [ Hits: 32 | Votes: 0 | Rating: 0 ]
Manufacturers : Software Defined Radio
  • BG2FX Amateur Radios - Yu produces miniaturized amateur radio transceivers for portable usage. Yu designed and sold the FX-2, FX-4a, and FX-9A. Other products includes the FX-4C, an 80 m through 10 m transceiver that fits in the palm of your hand.
    [ Hits: 121 | Votes: 1 | Rating: 1 ]
Operating Modes : Portable Operations
  • Portable HAM radio station - Guide to setting up a portable ham radio station, selecting the right components and buying the correct ones, finally setting up and assembling the whole elements.
    [ Hits: 110 | Votes: 0 | Rating: 0 ]
  • 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 ]
  • Versatile Field Radio Kit - Alan (W2AEW) shares his comprehensive portable field radio kit, showcasing various antenna options and accessories for POTA activations. The kit, housed in a repurposed camera bag, features the Elecraft KX2 Shack a Box, AX1 antenna kit, and additional accessories. With thoughtful organization and adaptability, the kit offers flexibility for different deployment scenarios, ensuring efficient operation in diverse field conditions
    [ Hits: 44 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Icom IC-705
  • IC705 GoBox: A Portable Windows-Based Solution for All-Digital Modes - This project details the creation of a portable GoBox housing an IC705, Windows 11 PC, and Bluetooth microphone. The robust setup, enclosed in a weatherproof Hofbauer Explorer Case, ensures stability and functionality for QRP and emergency radio activities. The aluminum-mounted devices minimize RF interference, and a built-in LifePO4 battery powers the 10.1 TFT touch LED monitor, providing approximately 12 hours of use in receive mode. With a focus on grab-and-go versatility, this GoBox stands as an efficient solution for outdoor ham radio operations.
    [ Hits: 93 | Votes: 0 | Rating: 0 ]
Technical Reference : Ham Radio Go Kits
  • Portable Efficiency: Building a KX3 Go-Box - A Go-box streamlines radio setup for temporary operations. Detailed guidance is provided on constructing a KX3 Go-box based on Radioset-go products. Emphasizing cooling, it incorporates silent fans and a temperature-controlled system. Wiring complexities, power considerations, and battery installation are covered. The Go-box offers a neat solution for field days and temporary setups, improving the efficiency and portability of the Elecraft KX3.
    [ Hits: 24 | Votes: 0 | Rating: 0 ]
Technical Reference : Raspberry Pi
  • Mini Satellite-Antenna Rotator Mk1 - This project is a portable device used to automatically point a directional antenna towards an orbiting satellite. It takes all the effort out of little kids holding the antenna and figuring out where to point it. It allows students to talk through Amateur Radio satellites or download weather satellite images. Note: This is a complex DIY project for the advanced kit constructor.
    [ Hits: 282 | Votes: 1 | Rating: 1 ]

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