QRQ: RUFZ contest trainer clone by DJ1YFK Fabian Kurz (DJ1YFK) wrote a RUFZ contest trainer clone for Linux and other UNIX systems that support the OSS audio api. QRQ RUFZ trainer application for OS X can be found here. Thanks to the work of Marc KB1OOO he has a working QRQ.app working on OS X…
Model P1BSW is the ideal way to save your battery from draining down if you accidentally forget to shut your model P1 off. Press the momentary push button and your model P1BS becomes active for 10 minutes. Touch the left paddle anytime during the 10 minutes and the timer resets for another 10 minutes. During…
My kids are learning Morse code this summer, so I threw together this little circuit to help them learn. And to make it more fun… It uses an ATtiny85 ($2.26 at digikey.com) to drive a piezo beeper (? $3.50 at Radio Shack.) The ATtiny85 takes 5.5V max, so I built the circuit on a piece…
Well an interesting time has been had by all in the past week. A Radio Amateur in Northern California, inadvertently pushed a keyboard up to his keyer, which produced a stream of dots at 25 WPM for well over a week. An international effort from Region 3 bringing in Region 1 via the Intruderwatch and…
TF4M Thor’s continues field style operation 20m CW. No AC Power. Just batteries and amazing Rhombic antennas field. Heard him in Bonn / Germany on Vertical 40m antenna with FC40 Yaesu antenna tuner.