::The Rider's schematic shows the set does not use a lo op antenna. There should be a small length of wire coming out of the rear of the set that gets attached to a wire antenna. The longer the better, but twenty feet or so of any old insulated wire you have lying around, just flung out the window should get you something.
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:Thank you so much and have wonderful vacation season.
Al:
you have tuning coils inside the receiver, those on the very left side of the schematic. With those, you don't need a loop antenna. Agree with above
Lewis