After discussing the losses due to copperresistance, skineffect & proximity effect in the last episode we now come to lesser known losses due to ferromagnetics and dielectrics near the reception coil (or an inductor in general)

Further links:
Ferriterod properties:    • A FerriteRod for SWReception  
Magnetic losses:    • Demagnetizing and Degaussing Theory  

Basketweave & HoneycombCoils (in German):
http://www.jogisroehrenbude.de/Leser...
http://www.jogisroehrenbude.de/Leser...
http://www.jogisroehrenbude.de/Spule...