LF/MF In the 50's slim narrow loading coils were considered more efficient than square coils. Field strength measurements confirmed this because this type of coil became part of the vertical radiator
Dear LF Group, I have attached a picture of GBR's wooden loading coil taken last year - the hexagonal spiders are about 5m across, the litz wire conductors are about 50mm thick and I believe are 6561
I think our Whitewood is Pine or Poplar trees. That's a bit large of a coil =-O Mike James Moritz wrote: Dear LF Group, I have attached a picture of GBR's wooden loading coil taken last year - the he
Jim Nice photo! You wouldn't happen to have a close up of the wood grain by chance? Two likely species of American "white" hardwood would be white oak and white birch. Once kiln dried both maintain t