• Country
• United States of America (USA)

• Manufacturer / Brand
• MILITARY U.S. (different makers for same model)

• Year
• 1961–1969

• Category
• Military transmitter

• Radiomuseum.org ID
• 141501

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 2

• Valves / Tubes
• 6AC7 2E26

• Main principle
• Transmitter

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Other, details in remarks or not known. / 6.3 & 450 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Radio Transmitter T-784/GRC-109 - MILITARY U.S. different makers

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Radio Transmitter T-784/GRC-109;
  Xtal controlled, 75 miles distance range, 10 - 15 W Pout, built-in key, 2 x NE2A neon lamps, ext. key terminals, antenna circuit bulb, 4 Bands:
  A: 3.0 - 6.0 MHz,
  B: 6.0 - 10.0 MHz,
  C: 10.0 - 17.0 MHz,
  D: 17.0 - 22.0 MHz,
  Part of the AN/GRC-109 Set;
  A so called clandestine- agent or spy radio set as well as an emergency TX/RX set, for military use and the CIA, the complete radio set AN/GRC-109 is in three units:
  Radio Transmitter T-784/GRC-109,
  Radio Receiver R-1004/GRC-109,
  Power Supply PP-2684/GRC-109 or
  Power Supply PP-2685/GRC-109 (PP-26851/GRC-109),
  there are also several accessories like antennas, CN-690/GRC-109 voltage regulator for use with optional hand-cranked generator G-43/G, a 12 V car battery PA-109 Power Adaptor by Nems & Clarke 12 V etc. known.

• Mentioned in
• - - Manufacturers Literature (May 1962 Department of the Army Technical Manual TM 11-5820-474-14)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 398 models, 350 with images and 210 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY U.S. (different makers for same model)