No store-bought 455 kc IF cans for Big Nick! FB OM. Great stuff.
We have featured Big Nick's beautiful work twice before:
More of his videos here:
Be sure to check out his coil winder.
|Photo from radiomuseum,org|
I don't have a link here to the graph of manmade, atmospheric and cosmic noise levels versus frequency, but once you see one it becomes obvious why low noise figure receivers are not required at LF and MF generally.
|Photo by ZS1KE|