This circuit can pick up medium wave stations in your ... though these parts can be salvaged from an old AM radio, to preserve the directional nature of a tuning coil, and an adjustment knob (plate ...

RFC1 = 30 turns of 24 SWG copper wire on 6 mm diam, air core X1 (transformer) = 15 turns primary, 3 turns secondary using an IFT core with tuning slug L1 = 4 turns of 22 SWG copper wire on 15 mm diam ...

Struggling talk radio staple KABC-AM (790) may be in for a make-over of Madonna-sized proportions. Just because the station doesn’t play pop music doesn’t mean it can’t take a cue from the ...