Was the Efficient T aerial, the Laser "7" layout?
Yet Another Early Offshore engineering achievement, was the aerial on the Radio Nord ship, off Sweden
which used the Mi-Amigo, before Caroline did.... https://en.wikipedia.org/wiki/Radio_Nord
What was clever was, to get it to load up at such a low frequency, with a too short mast
they ran it, as a "folded unipole" but to bring it to resonance, the Lower ends of the folds
each had, a loading coil and a Vacuum Capacitor, to add capacitance to the high volts end
These were outside in boxes to keep the sea spray off them
Engineer was Ove Sjöström ....https://www.offshoreradio.co.uk/engine1.htm (scroll down to George Saunders)
Rod Watts
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