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Test on Preliminary Model XGQ Equipments
The Model XGQ equipment under test, manufactured by the Radio Research Company, Inc., consists of two preliminary models, each of which is comprised of a transmitter unit, receiver unit, transmitter control box, receiver unit, receiver control box, transmitter dynamotor, receiver dynamotor, and connection cables and linkage to permit complete remote control. The transmitter is crystal controlled and consists of a type 807 tube as a crystal oscillator, two type 807 tubes in parallel as a power amplifier, two type 807 tubes as a modulator and one type 42 tube connected as a triode as a speech amplifier.
Approved For Public Release