Posted by dapj20 on Nov 01, 2021 in Amateur-Radio
Component level (mostly analog) electronics from microwave to AF. Jazz guitars and guitar amplifiers. Radio astronomy. I apply science and critical thinking in my daily life. more »
Posted by dapj20 on Aug 19, 2021 in Amateur-Radio, Embedded Micro
Amateur radio homepage by Lars Petersen of Holstebro, Denmark. The Useful Articles include some good rules for the QRPer and Main HF rig and antenna. Lars Petersen OZ1BXM QRP Denmark CW, QRP, and satellites. Satellite radios and PIC experiments… more »
Posted by dapj20 on Jun 20, 2021 in Amateur-Radio
Wilko J. Hollemans PA3BWK - "Practice SENDING very fast but ACCURATELY - this in itself will improve your ability to copy fast code. Also use a tape-recorder to tape your sending, and then try copying it a week or so later. One final tip - throw the… more »
Posted by dapj20 on May 25, 2021 in Amateur-Radio, Resources
Some of the projects here are Solar Power Circuits charge control, Amateur Radio Circuits, beacon keyer, antenna tuner. Micro Power FM Broadcasting Circuits, Pulse Width Modulator PWM Circuits, motor speed controls, Geiger Counter Circuits,... FCs… more »