This radio was homebrewed using a National Regenaformer kit of parts.
Knobs across the front are RF stage tuning, RF filament, detector tuning,
regeneration and detector filament. The controls all interact with each
other. While not easy to tune, it is typical state of the art for the
The tube lineup of this radio is a 199 dectector and a 201 detector. Also visible in this picture is the RF stage neutralizing capacitor. The labels on the coils place National in Cambridge, Mass.
Back to W0VLZ's National tour.