The X-Band microwave motion detector was moved to 10.25GHz in Part 1, and we explored the diode output in part 2. In part 3, we examine the pulse width and pulse repetition rate with the oscilloscope, and draw a conclusion about the diode modulation.

The 211 Transmitting Tube is a high-power vacuum tube. Because of the power this tube requires general tube testers are not able t The 211 Transmitting Tube is a high-power vacuum tube. Because of the power this tube requires general tube testers are not able to interrogate this tube. I have...

Cool girl

This is a video of the Lindsay/Gingery coil winder that I built a ways back. It makes nice universal wound coils as well as solenoids. It is basically the Morris coil winder that was popular in the early years of radio.

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...

My point of view about ham radio world

Clip of 80m high rotaiting antena on the train platform. HF large antena for broadcast Radio station from 3Mhz to 30Mhz installation on the train platforn to rotating antenna pattern. Very impressive.

Just some more video footage of my amateur (Ham) radio/SWL \\\"shack\\\" at my apartment in Denver, Colorado. I was demonstrating some of the features of the Ham Radio Deluxe (HRD) software program as well as the Digital Master780 software which integrates...

It’s the Field Day Special! Join us as we visit with the Jackson Amateur Radio Club and learn all about Field Day. Plus we’ve got two unique AmateurLogic spins on Field Day… Jim’s poolside station set up is educational and entertaining. George’s station uses a unique power...

A music video of images found on the Internet.

SAQ special Xmas transmision 24.12.2009

New song and video about rebuilding a ham radio station - including teaching the viewer Morse code