Low Noise XTAL Oscillator Transverters / By UR3IQO Low Noise XTAL Oscillator with built in PLL for VHF UHF transverters.
Ultra low noise signal source Measurements / By UR3IQO Ultra low noise signal source for HF receivers testing.
Sequencer with CW memory keyer Other / By UR3IQO Automatic CW keyer, 4-channel sequencer and simple computer interface for PTT switching and CW manipulation.