This young man is exploring the action bands of the VHF spectrum with a two-tube superregenerative receiver from the February 1957 issue of Popular Electronics.

The set tuned 28-175 MHz, which included the FM and TV bands, as well as amateurs, police, fire, and aircraft. The magazine noted that the layout of the circuit was critical, and cautioned builders to construct it according to the photographs, in addition to the schematic. In particular, short lead lengths in the RF stage were critical.

A 12AT7 served as RF amplifier and detector, with a 6AF4 serving as audio amplifier. A signal generator was suggested for final calibration, but in the absence of one, TV and FM broadcast stations could be used to figure out the dial positions. Three plug-in coils were used for band switching.