> >> These are 7" x 2.5" x 1.5" and 7" x 2.5" x 2". >> Contain subminiature tubes (5678, 1AD4, 5783, 5840). >> All are marked "152-174 MC". >> I have 3 modules: Local Osc / RF Ampl / 2nd IF Discr. >> >> Was wondering what equipment these would be from. >> Not to rain on the GI parade, but I submit Motorola hi-band motorcycle fm 2-way.