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tools

111 links - and 4 categories

Antennas : 2M
  • Budget-Friendly 5-Element Quad Antenna Design - Constructing a 5-element quad antenna, the author aimed for low cost and simplicity, resulting in an effective design with 11 dBi gain and SWR of 2:1 or better across the 2-meter band. Using wood and dowels, the antenna costs under $8 and takes less than two hours to build with basic tools. The model predicts excellent performance, confirmed by ARRL Lab measurements. Practical field results demonstrate improved communication, even in simplex mode.
    [ Hits: 119 | Votes: 1 | Rating: 7 ]
Antennas : Magnetic Loop
  • Magnetic Loop 600 KHz-4MHz - The antenna is built on a cross-shaped frame with spar width (and height) of 48 inches, providing a height of 52 inches and a width of 49 inches. This antenna costs only about $45 to construct and can be built in just a few hours using simple hand tools. The best part is that the performance on 160M and 80M is excellent
    [ Hits: 173 | Votes: 3 | Rating: 4.33 ]
Radio Equipment : HF Transceivers : Icom IC-705
  • Creating a Custom IC-705 Paddle Mount - This article describes a DIY paddle mount for the Icom IC-705 radio. Dissatisfied with the high cost of commercial options, the author builds a mount from sheet metal and scrap materials. Construction utilizes hand tools and readily available supplies. The final design offers adjustable paddle placement and tool-free installation/removal. Initial testing shows promise for improved field operation.
    [ Hits: 28 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Kenwood TS-480
  • Kenwood TS480HX Firmware Upgrade - The Kenwood TS480SAT/HX firmware upgrade guide, procedure, tools required, software needed to upgrade the transceiver firmware and some hints.
    [ Hits: 78 | Votes: 0 | Rating: 0 ]
Software : PSK31
  • DXPSK - DXPSK and SMARTPSK are freeware Windows PSK31 software tools capable to send and recive even multiple tracks of PSK31 signals. SMARTPSK is the improved version of DXPSK capable to display up to 25 tracks.
    [ Hits: 144 | Votes: 1 | Rating: 10 ]
Software : RF Design
  • WinRFCalc Free Windows RF Calculator - A multi tool Windows program that has been designed to offer the EMC RF and Radio Engineer a large variety of tools for Attenuation calculation, VSWR analysis, FIR Filter calculations, EMC system configuration, Radar testing , RF Filter calculation and much more without the need of a live internet connection.
    [ Hits: 213 | Votes: 0 | Rating: 0 ]
Software : Vector Network Analyzer
  • SNASharp - SNASharp is a free software application designed to work with scalar network analyzers compatible with NWT software from DL4JAL. It is used to measure and analyze the scattering parameters (S-parameters) of microwave devices. Provide several measurements and analysis tools including Smith chart, Polar plot, S-parameter tables, Transmission line calculator
    [ Hits: 69 | Votes: 0 | Rating: 0 ]
Technical Reference : Antenna Launcher
  • DIY Tree Antenna Launching: Cheap and Effective - This article explores budget-friendly methods for launching wire antennas into trees, comparing common options like slingshots and professional arborist tools. The author introduces a simple and cost-effective DIY approach using latex balloons, sand, and readily available materials for efficient antenna deployment in the field
    [ Hits: 121 | Votes: 0 | Rating: 0 ]
Technical Reference : Filters
  • Double Tuned Receiver Band-pass Filter Design Center  new - This webpage caters to EMRFD owners, offering insights into building popcorn receiver band-pass filters with Ladpac programs and EMRFD Chapter 3 knowledge. Through practical experiments and Ladpac tools, the author explores coupling capacitors' impact on filter response and return loss optimization. The content emphasizes empirical approaches, encouraging builders to embrace experimentation and learn from mistakes. Detailed examples and workflow suggestions aid hobbyist-level designers in creating customized filters, fostering a deeper understanding of filter design principles.
    [ Hits: 21 | Votes: 0 | Rating: 0 ]
Technical Reference : Keyers
  • Remote Morse Keyer - SW Keyer for remote operations. This is a simple tool based on the Morse Code Iambic and Semi-Automatic Keyer from the Morse-Code-Tools projects. You can use your key, bug or Iambic Paddle stright connected to your personal computer without a hardware morse keyer.
    [ Hits: 99 | Votes: 0 | Rating: 0 ]
Technical Reference : Morse Code Oscillator
  • Morse Code Practice Oscillator - In this project, we blend old school and new school tech to create a Morse code oscillator that you can use to practice keying Morse code. We start by milling out a double-sided board on the Bantam Tools Desktop PCB Milling Machine, then we solder on a series of components, and finally test our skills of yesteryear communication
    [ Hits: 61 | Votes: 0 | Rating: 0 ]

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