Pseudo-Franklins have been employed below 1400 kHz (neither a Class C nor Class B local frequency), however, to good effect, but no where near as good as a true Franklin; which has an efficiency of about 510 mV/m/kW at 1 km.
Pseudo-Franklins have been employed below 1400 kHz (neither a Class C nor Class B local frequency), however, to good effect, but no where near as good as a true Franklin; which has an efficiency of about 510 mV/m/kW at 1 km.