how to make

how to make

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• RF Choke Coil - Made Easy - In this article K3DAV show a very simple way to make an RF choke coil that will remove your RF feedback troubles
  [ Hits: 1266 | Votes: 6 | Rating: 5.83 ]

• Build your own RF-Choke - How to make an effective RF Choke. The coiled coax choke is the easiest to make but also the least effective. This article includes some general guidelines for winding coax chokes on a 10cm PVC pipe using RG-58 or RG-213 coax cable.
  [ Hits: 792 | Votes: 12 | Rating: 7.33 ]

• How to make a HB9CV - The HB9CV is a well known two element antenna of a directional beam type with a forward gain of 4 to 5 dBd. This one is for two metres but it can be scaled, from the dimensions in the diagram, for other bands I have also made them for four and six metres
  [ Hits: 1476 | Votes: 9 | Rating: 4.45 ]

• Mast Mountable J-Pole Antenna - An interesting article on how to make copper cactus J-Pole antennas
  [ Hits: 968 | Votes: 7 | Rating: 7.28 ]

• Fighting Antenna Corrosion - Antenna Maintenance - How to make proper maintenance of your antenna. Fighting Antenna Corrosion is a QST article published in 1993 that helps on antenna maintenance works
  [ Hits: 550 | Votes: 0 | Rating: 0 ]

• A Moxon Antenna for Satellites - How to make a dual-band VHF/UHF handheld Moxon Antenna to work satellites
  [ Hits: 438 | Votes: 4 | Rating: 7.25 ]

• How to make a gamma match - how to make a gamma match for a antenna. The Gamma match is the most used matching device used for yagi beams.
  [ Hits: 1464 | Votes: 8 | Rating: 5.38 ]

• Hustler 6BTV mod - 6BTV (or 5BTV or 4BTV) mod for 12 and 17 meter bands, how to make a 7BTV or 8BTV or 9BTV, easy and cheap
  [ Hits: 755 | Votes: 0 | Rating: 0 ]

• A simplified guide to FT8 DXPedition mode - A simplified Guide to the FT8. Dxpedition mode. By Stefano IK2HKT – Rel. 2.0.0 - January 2019. This document explains how to configure WSJT to work on F/H mode DXPedtions, how to operate and make a call to a dxpedition calling CQ in FT8 Fox Mode.
  [ Hits: 682 | Votes: 1 | Rating: 1 ]

• JT65A - weak-signal digital mode - A very exaustive and complete article on JT65A and JT65-HF operating mode, including software download links, installation notes, how to make JT65A QSO and videos to correctly work with weak signals by NW7US
  [ Hits: 670 | Votes: 2 | Rating: 10 ]

• Morse Code Oscillator - How to make a Morse Code Oscillator
  [ Hits: 367 | Votes: 1 | Rating: 4 ]

• How to convert Server Power Supplies - The practice of converting computer server power supplies to make a very high quality high power supply at low cost is attractive. It doesn't normally require any modification to the supply but the hard part is figuring out how to trick them into turning on.
  [ Hits: 822 | Votes: 0 | Rating: 0 ]

• How to locate RFI - I have RFI, now what– Locating it. This article is the first of a three parts article, that covers the problem of locating the RFI source. Author make use of an SDR receiver to locate RFI emissions. Ai interesting RFI location process diagrams helps on following the various phases, permitting the discovery of almost 75% of the RFI issues.
  [ Hits: 195 | Votes: 2 | Rating: 10 ]

• How to make a mains filter for EMC and noise reduction - Article showing how I've made a mains filter to reduce EMC in the electricity supplying my shack. I've used a type 31 Fair-Rite ferrite core and the video shows how this performs on 160m through to 40m.
  [ Hits: 1225 | Votes: 5 | Rating: 9.6 ]
• Mains Filter for EMC & Noise Reduction - This article shows how to make a mains filter that can be extremely effective in reducing and in some cases eliminating completely EMC from the electricity supplying your shack
  [ Hits: 308 | Votes: 3 | Rating: 3.67 ]

• MMDVM Digital Repeater DIY - Article on how to make a Mode Digital Voice Modem Digital Repeater using a Rasperry Pi 3 and a MMDVM board
  [ Hits: 246 | Votes: 2 | Rating: 6.5 ]
• How to make a MMDVM Digital Repeater - The MMDVM is a device that interfaces PC to radios, can be used with a raspberry pi, turning a normal analog radios into a digital node connected to the internet or very simply as a digital repeater.
  [ Hits: 291 | Votes: 1 | Rating: 10 ]

• How to make a low end SWR/ Watt Meter reading PEP power - Building a PEP Power circuit for all analogue watt-meter
  [ Hits: 1683 | Votes: 6 | Rating: 7.5 ]

• Getting a FUNcube Dongle running on Linux - How to make a FUNcube dongle run under Ubuntu 11.04 with Quisk SDR software
  [ Hits: 376 | Votes: 0 | Rating: 0 ]

• Apple MacBook interface for digital modes - How to make a custom Line In connector for apple macbook or iMac to connect your amatur radio transceiver. A simple modification of a standard USB audio interface can work.
  [ Hits: 135 | Votes: 0 | Rating: 0 ]

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