Before reading this article, read and consider the question shown in the box. Society of Broadcast Engineers certification is the emblem of professionalism in broadcast engineering. To help you get in ...

Wayne Eckert works with the Rural Florida Communications Cooperative. Expanding on our discussion about getting the most out of your A/C, he shared thoughts about cleaning the coils. He uses a product ...

FOR several years past iron-cored coils for oscillatory circuits have been used by telephone engineers at audio frequencies and at the low radio frequencies which are used in carrier current telephony ...

Estru honeycomb / lattice coil in original box, no mount. A commercial honeycomb type inductance coil for radio receiver. Green insulation, 1250 turns. Marked: "Estru / Type 1250 / Lattice Coil ...

Radio frequency inductance standard coil. A glass tube wound with cloth insulated large diameter (bell type) wire. Supported on black bakelite stand. A connecting rod is mounted on each end of the ...