Katio Active antenna $30
 

New in box, Kaito KA33 dual function active loop shortwave 3.9 and 22
mHz and MW medium wave between 520-1710 15 foot antenna cable
amplifier/preselector and the preselector's 18" cable directly into
the 1/8" ANT jack of portable SW radios or connector with the included
bare wire adapter. For MEDIUM WAVE use, switch the antenna module to
MW, into the MW ferrite inductive coupler/adapter. Place the ferrite
bar antenna adapter near the radios internal ferrite rod. $30 shipped
Cash, check or MO sorry no PP.