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• 20 / 40 Meter Short Coil Loaded Dipole Antenna
  
  Experimenting a 20 40 meter short coil loaded dipole antenna with the goal to keep ...
  By buildthings - Votes: 3 | Rating: 8.67

• End-Fed Half-Wave Antenna for 20m 40m 80m  ^updated
  
  How to Design and Build a Field Expedient End Fed Half Wave Antenna for 20m ...
  By VA3KOT - Votes: 2 | Rating: 6

• What is Horn Antenna
  
  Horn Antenna The energy of the beam when slowly transform into radiation the losses are ...
  By frambos

• A Versatile SOTA Antenna Tuner
  
  This is a detailed technical piece intended mostly for makers and more creative activators who ...
  By KX0R - Votes: 2 | Rating: 10

• Cloverleaf Antenna
  
  Cloverleaf antenna is a circular polarized antenna which is way better than the cheap dipole ...
  By Oscarliang

• Connecticut CW Club
  
  We are a small group of CW enthusiasts that happen to live in the state ...
  By N1BRI

• QO-100 with LimeSDR
  
  QO 100 Communications with the LimeSDR Family LimeSDR can transmit in the expected uplink frequency ...
  By LimeSDR

• FT-817 internal battery power Fix
  
  If your FT 817 has stopped powering up from the internal battery but works from ...
  By QSO Shack
• FT-817 Robust Power Connection
  
  Attach a small right angle lug to the ground screw located in the rear of ...
  By WB3GCK

• Hamlog.online
  
  Hamlog is online cloud platform for active amateur radio operators It supports various on the ...
  By Hamlog - Votes: 1 | Rating: 10

• Pi-Star Digital Voice Software
  
  Pi Star is a software image built initially for the Raspberry Pi The design concept ...
  By P-ISTAR - Votes: 1 | Rating: 10

• AppCAD
  
  Free windows application for RF Microwave and Wireless applications AppCAD is useful for the design ...
  By AppCAD - Votes: 1 | Rating: 8

• SDRPlusPlus
  
  SDR is a cross platform and open source SDR software with the aim of being ...
  By AlexandreRouma

• Improving the audio on the ICOM IC-27
  
  Make an otherwise fine radio even better change one resistor and one capacitor in the ...
  By wb4kdi

• How to Make an Automatic 12V Battery Charger
  
  A home made battery charger 110 220 v AC providing from 1 25 24 v ...
  By Steve Willson Kujur

• CW Key-to-Rig Switch Box
  
  This is an easy afternoon project to switch multiple cw keys between several rigs If ...
  By AB3AP

• Icom External Keypad Connector Cable
  
  To connect the external keypad to your Icom radio you ll need to make a ...
  By ON5IA - Votes: 1 | Rating: 1

• Raspberry Pi APRS Tracker
  
  Downloading and installing all needed packages to make a Raspberry Pi as an APRS Tracker ...
  By Florian

• Peaberry Software Defined Radio Transceiver
  
  Construct the Peaberry a SoftRock compatible SDR transceiver This project is aimed to build an ...
  By AE9RB

• A Simple Field Strength Meter
  
  Mad your own simple FS meter It is the simplest thing to make and is ...
  By ve7sar

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