HF transmitter-receiver, part of Larkspur family.
Used by the United Kingdom military since the early 1960s until late 1970s. Used by the Arab countries from the 1960s until the late 1970s, designated C-13.
Frequency range:1.5 to 12 MHz; CW (morse), AM (Amplitude Modulation) voice or PM (Phase Modulation) voice; output power: CW: 1 or 10 Watts, AM: 0.5 or 5 Watts, PM: 1 or 10 Watts; supply: 12 or 24 Volts DC, according to the model.
Used vertical antenna, 2.4 to 12.9 meter, long wire antenna or dipole antenna.
Vacuum tubes technology.
C-13 Vehicular HF Radio Set
