AN/GRC-3

© 2014 Army Radio Sales Company, Used with Permission

© 2014 Army Radio Sales Company, Used with Permission

RT-67/GRC and PP-112/GRC

AN/GRC-3

• [1] Receiver - Transmitter RT-66/GRC
• [1] Receiver - Transmitter RT-70/GRC
• [1] Radio Receiver R-108/GRC

AN/GRC-4

• [1] Receiver - Transmitter RT-66/GRC
• [1] Receiver - Transmitter RT-70/GRC

AN/GRC-5

• [1] Receiver - Transmitter RT-67/GRC
• [1] Receiver - Transmitter RT-70/GRC
• [1] Radio Receiver R-109/GRC

AN/GRC-6

• [1] Receiver - Transmitter RT-67/GRC
• [1] Receiver - Transmitter RT-70/GRC

AN/GRC-7

• [1] Receiver - Transmitter RT-68/GRC
• [1] Receiver - Transmitter RT-70/GRC
• [1] Radio Receiver R-110/GRC

AN/GRC-8

• [1] Receiver - Transmitter RT-68/GRC
• [1] Receiver - Transmitter RT-70/GRC
• [1] Radio Receiver R-108/GRC

All Systems Contain These

• [1] AF Amplifier AM-65/GRC
• [2] Power Supply PP-281/GRC or PP-282/GRC
• [1] Power Supply PP-109/GR or PP-112/GR
• [1] Control Box C-375/VR
• [1] Control Group AN/GRA-6
• [1] Control C-435/GRC
• [1] Mounting MT-297/G
• [2] Adapter UG-273/U
• [2] Adapter UG-306/U

Frequency Coverage

• Receiver - Transmitter RT-66/GRC Armor band
  • 20mHz - 27.9 mHz
  • 80 Channels
• Receiver - Transmitter RT-67/GRC Artillery band
  • 27mHz - 38.9mHz
  • 120 Channels
• Receiver - Transmitter RT-68/GRC Infantry band
  • 38mHz - 54.9mHz
  • 170 Channels

Images

• 

  Control Box C-375/VRC, Rear View

• 

  Mounting MT-297/GR, Open View

• 

  Headset Navy Type CW-49507 and Cord CX-1334/U

• 

  Microphone M-29/U

• 

  Handset H-33/PT

• 

  Dynamic Loudspeaker LS-166/U

• 

  Headset-Microphone H-63/U

• 

  Minor Components of Radio Set AN/GRC-3

• 

  Control Group AN/GRA-6

• 

  Control C-435/GRC

• 

  Control Box C-375/VRC

• 

  Mounting MT-297/GR, Top View

• 

  Radio Receiver R-108/GRC

• 

  AF Amplifier AM-65/GRC

• 

  Receiver Transmitter RT-70/GRC

• 

  Power Supply PP-112/GR, Front View

• 

  Receiver Transmitter RT-66/GRC

Related Files

TM 11-284

Department of the Army Technical Manual

Radio Sets

AN/GRC-3, -4, -5. -6. -7 and -8

November 1950

TM 11-289

Department of the Army Technical Manual

Receiver-Transmitters

RT-66/GRC

RT-67/GRC

RT-68/GRC

December 1953

TM 11-289 Military Original

Department of the Army Technical Manual

Receiver-Transmitters

RT-66/GRC

RT-67/GRC

RT-68/GRC

December 1953