111 links - and 4 categories

Antennas : 23cm
  • 43 Elements Yagi Antenna for 23cm band - An interesting presetnation full of usefull tricks to correctly design and build 23 cm Yagi using simple tools. The basic design of the antenna presented in this document is taken from the original DL6WU Yagi Design published in 1982
    [ Hits: 438 | Votes: 1 | Rating: 8 ]
Antennas : Installation
  • Introduction to HFTA HF Terrain Assessment - A complete guide to plan antenna installation by using several tools and resources including the popular HFTA High-Frequency Terrain Assessment software distributed by ARRL. A full tutorial on how to use it and how to interpretate reports produced by this antenna setup analysis tool.
    [ Hits: 140 | Votes: 1 | Rating: 7 ]
Antennas : Quadrifilar Helix Antennas : Tuners
  • A Versatile SOTA Antenna Tuner - This is a detailed, technical piece, intended mostly for makers and more creative activators, who enjoy building and using their own tools on the summits. A multiband portable antenna tuner supporting 10W, small and light, suitable for SOTA operations
    [ Hits: 265 | Votes: 2 | Rating: 10 ]
Internet and Radio : Chat
  • FT8 Chat - Online web chat dedicated to FT8 users. FT8 DX Cluster is included in the central part. This is a widget part of the DXCenter suite tools.
    [ Hits: 186 | Votes: 0 | Rating: 0 ]
Manufacturers : Software Defined Radio
  • Red Pitaya - Established in 2013 produce kits and solutions to build your own SDR transceivers, Skimmer servers and wspr devices for the amateur radio market, and digital test equipment, and learning tools for the academic and research markets.
    [ Hits: 188 | Votes: 0 | Rating: 0 ]
Manufacturers : Towers and Accessories
  • KF7P Metalwerks - Metal products manufacturer for Grounding, cable management, surge arrestors, tower accessories, Coax standoff arms for telescoping towers, Safety stand tower platform, Mast steps, tower installation tools
    [ Hits: 353 | Votes: 3 | Rating: 6.67 ]
Propagation : Propagation Forecast
  • HF communication prediction tools - Online HF Communication prediction system provided by the Australian Governament Buerau of Metereology allow to predict usable frequency rage for radiocommunications between two stations allowing to specify frequency and date range. This tool allow calculation with different methods and algorithms
    [ Hits: 169 | Votes: 0 | Rating: 0 ]
Radio Equipment : Reviews and Comparisons Radio Equipment : VHF-UHF Handhelds : TYT MD-380
  • TYT MD-380 firmware modification - How to use the hacked firmware on the MD-380. Tools for working with codeplugs and firmware of the Tytera MD380,
    [ Hits: 259 | Votes: 0 | Rating: 0 ]
Shopping and Services : Electronic Components
  • - is a professional purchasing B2B & B2C tools in electronic components field. UTSOURCE provides different types such as IC, Modules, RF transistors, Electronic components, passive components
    [ Hits: 99 | Votes: 0 | Rating: 0 ]
Shopping and Services : Regional : USA
  • Signal Stuff - Amateur radio parts and accessories online shop, born to support and offer super elastic signa stic antennas, sma connectors and other small parts.
    [ Hits: 134 | Votes: 0 | Rating: 0 ]
Software : Macintosh
  • SmartSDR for Mac - SDR control for FlexRadio Signature Series Rig for Apple Mac. FT8 integration, External Software support, Several additional Tools, display as many panadapters and slices your Radio is capable of.
    [ Hits: 113 | Votes: 1 | Rating: 10 ]
Software : RF Design
  • AppCAD - Free windows application for RF Microwave and Wireless applications. AppCAD is useful for the design and analysis of many circuits, signals, and systems using products from discrete transistors and diodes to Silicon and GaAs integrated circuits. AppCad is a unique suite of RF design tools and computerized Application Notes to make your wireless design job faster and easier
    [ Hits: 135 | Votes: 1 | Rating: 8 ]
  • VSWR Calculator - This calculator converts between VSWR and Return Loss, Reflection Coefficient, Mismatch Loss, and Reflected Power.
    [ Hits: 102 | Votes: 2 | Rating: 7 ]
Technical Reference : Calculators
  • RF Impedance Matching Calculator - Calculates the network to match a line to a specific complex load. This online tool calculates the matching network necessary to terminate a line of the specified characteristic impedence Zo in a specific complex load impedence RL + jXL at a specified frequency.
    [ Hits: 195 | Votes: 1 | Rating: 10 ]
Technical Reference : RF Safety
  • RF Exposure Evaluating Your Station - How do you practically conduct an RF exposure evaluation of your station? What information do you need and what values must you compute? What are the tools and techniques readily available to the casual operator to ensure compliance with the FCC regulations about RF exposure
    [ Hits: 200 | Votes: 0 | Rating: 0 ]
Technical Reference : Repeater : Repeater Maintenance
  • Repeater Temperature Monitor with Raspberry Pi - A simple and cheap solution to monitor temperature of your repeater implementing a Raspberry Pi device with a set of popular tools made in python a database and RRD tool
    [ Hits: 174 | Votes: 0 | Rating: 0 ]
Technical Reference : Software Defined Radio
  • Hermes-Lite Low Cost HF SDR - The Hermes-Lite is a low-cost direct down/up conversion software defined amateur radio HF transceiver based on a broadband modem chip and the Hermes SDR project. It is entirely open source and open hardware, including the tools used for design and fabrication files. Over 300 Hermes-Lite 2.0 units have been successfully built.
    [ Hits: 519 | Votes: 0 | Rating: 0 ]
Technical Reference : Soldering and Desoldering

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