This continuous wave transmitter (CW) can send signals in the 30 to 100 MHz band, depending on the coil. CV is a 2-20 pF trimmer and the antenna is a 30 to 80 cm long piece of wire. For the 30 to 60 MHz band the coil is formed by 6 or 7 turns of 24 to 26 AWG wire in a 1 cm of diameter air core form. For the 60 to 100 MHz band the coil is formed by 4 turns of the same wire in the same form. Range is up to 100 m.
Remote Control Transmitter
