Crystal Radio
  This is a replica of the classic homebrewed crystal sets of the 1920's
                                                               
                                                         
Crystal Detectors


With Litz wire coils, high quality variable capacitors, and a Schottkey Barrier diode, this radio is a high performance crystal set. The best reception so far is 530 RVC Grand Turks Island, South Caicos, UK  (Near Cuba) 1543 miles! No external power!!
DX Crystal Set