Technical Reference/Arduino/Morse Code
How to build a Simplified Arduino CW Trainer, this is a version that does not need a keyboard.

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Technical Reference/SWR Meters
The intention was to determine also very small SWR ratios with small power exactly. With this SWR meter, for example, the inputs of RF amplifiers with power < -20 dBm can be measured. In German

Build this Vertical Portable HF Antenna, Which part of a dipole radiates most?, Spy Numbers Stations, Pirate QSL Collection, DK0TE Mobile version WebSDR Germany, Pro Audio Engineering, SR4DON Web Radio Receiver, DK0TE KiwiSDR Germany, UR5WT WebSDR on 80m, Northern Utah WebSDR USA

Internet and Radio/WebSDR
A software defined receiver located in Tuscany Italy with a Windom antenna convering HF bands

Technical Reference/Arduino/Morse Code
The Trainer is based on a simple modular built STEM/game platform, plus newly developed interactive software,it contains six training routines, easy to advance, and consists of various learning aids. You select them from a menu. Feedback for menu selection is given audibly and through an LED display and serial monitor.

How to install a Mini Whip antenna, T2FD Antenna - Terminated and twisted folded dipole, Ham Radio and Solar Power Systems, Folded Dipoles in Yagi Uda Antennas, Transmission Line Details , DK0TE WebSDR Friedrichshafen, WebSDR from Croatia,

Technical Reference/3D Printed Projects
A simple 3D Paddel CW Key made of plastic with a standard 3d printer

DX Resources/QSLing/QSL Galleries
In the meantime he flees, flees irrecoverable time (Virgilio) Journey into the past to discover my paper collection dedicated to radio and telegraphy

Ham Radio/Personal Pages/Europe/Italy
My name is Diego, I was born in Cassino, italy in 1980 and moved to Terni in 1991 and then to Recco (Genoa) in 2007. I have started my ham radio station in 2015 and I am member of c.i.s.a.r. section of Genoa. Developer of the MapForHam project, the map for radio amateurs.

Radio Equipment/HF Portable Antenna/Buddipole
Rob, VK5SW shows the simple assembly of the portable Buddipole multiband dipole antenna.

The W5JGV Loop Antenna , Square Halo Antenna for 10 and 20 Meters, WebSDR Roma2 Online Radio, Magnetic Loop HF antenna, Ham Census, PhotoQSLs, EDI Log Format,

FDS have ceased the production of QSL cards as of 1st May 2022.

Technical Reference/Morse Code Oscillator
A great little device on which you can practice your Morse Code skills. It is simple to build and easy to use. All you need are two 3V coin batteries and your knowledge of Morse Code.

Technical Reference/Preamplifiers
2m 70cm 23cm Low noise Amplifiers, 3 Low noise amplifiers Outdoor unit with DB6NT parts completed.