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Day archives: February 11th, 2022

Ten Minute QRP Transmitter

Ten Minute QRP Transmitter The design apparently originated in 1996 in an amateur radio club QRP publication.  The name originates since the original author claimed he built this transmitter and make a QSO with it in just 10 minutes time. There are no coils to wind  it tunes a wide range of crystal frequencies, and it outputs an …