Increasing reception! I was quite satisfied with my external drainpipe antenna but still some signals where too weak. So I bought a cheap "UNICOM" shortwave...
Homemade Shortwave receiver with 7-tubes. This receiver is mainly used for broadcast listening. As for the circuit diagram, please refer to following URL. www7a.biglobe.ne.jp
SouthWest Edgecombe High School Electronics II Student (Pinetops, NC) - "Ray's" Regen Shortwave Receiver as designed by N1TEV. Manhattan-style construction was used via the documentation...