AM in Amateur Radio 3870Kc

5A7A-Dxpedition

Yaesu FT817 LDG Z11Pro LongWire QRPp I6IBE Ivo Pratola Peligna

What is Hellschreiber. Hellschreiber is a German name, meaning "bright writing", or "clear writing". Hellschreiber is anything but a new mode. It was first patented in 1929 which makes it the oldest machine generated data transmission mode used in amateur radio. To put this in perspective, SSB...

VP6DX Ducie Island DX´pedition reception in Patagonia South America from LU7YS station. Rig: YAESU FT1000D antenna Cushcraft X7 @ 13 meters feb 19 at 23:20 UTC

Schematic of the 4 tube radio, experimentally built in a way of the radio-pioneers (1910-1945). The radio acts as a cascade type receiver when the antenna coil has a high self-inductance, with lower self-inductances of the antenna coil you can put in a mixing process with the oscillator. Perhaps...

SAQ - 17kHz2 using the 200KW Alexanderson station, the only radio station on the world heritage list. Swedish TV

Operating my station remotely. I use three pieces of software. First is TRX-Manager to control the radio. See my video on TRX-Manager. Second, remote desktop software. This allows me to control the radio computer from a remote computer. I use Logmein.com free program to manage and setup the...

The Fresno Amateur Radio Club 2008 Field Day held at Pineridge School in Pineridge California, elevation 4843 feet. This is the raising of a portable 75 foot tower.