Here is a Hallicrafters that I don't recognize: http://cgi.ebay.com/HALLICRAFTERS-SUPER-SKYRIDER-SHORT-WAVE-RADIO-REPAIR-/270604412258?cmd=ViewItem&pt=Shortwave_Radios&hash=item3f0147a562 It looks like it's part SX-9 and part something else. Homebrew? Tony