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Brian Wingard's Xtal Set

Brian also used the modified bandpass approach. The detector and antenna coils are tapped, switched by ceramic insulated switches

Crystal Radio for contesting.

Notice that each chassis consists of a combination of plexiglass and poly-coated wood.

Crystal Radio for contesting.

The toroids are FT82-61s, with tapped detector and antenna coils.
Note the sliver plated capacitors and ceramic switches.

Crystal Radio for contesting.

The tandem verniers make for slow, precise tuning.


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