AN/GSC-40(V) and AN/MSC-64(V)
Special Communications
Systems
NSN:
5895-01-088-9270(AN/GSC-40)5895-01-146-3875(AN/GSC-40A(V)1)
5895-01-146-3874(AN/GSC-40A(V)2)
5895-01-112-5836 (AN/MSC-64(V)1)
5895-01-088-2769 (AN/MSC-64(V)2)
5895-01-112-5838 (AN/MSC-64(V)3)
Reference:
TM 11-5895-1104-10-1 (AN/MSC-64(V))
TM 11-5895-1104-10-2 (AN/MSC-64(V))
General Information
The Special Communications System (SCS) is a UHF SATCOM system operated and maintained by the Army, Navy, and Air Force and consists of SATCOM Terminals AN/GSC-40, AN/GSC-40A(V) and AN/MSC-64(V). The terminals are normally deployed in a network configuration. The AN/GSC-40, AN/GSC-40A(V)1, and AN/GSC-40A(V)2 are CP terminals configured to provide the specific SCS network command and control functions and the means for disseminating highly specialized critical user information. The AN/MSC-64(V) is referred to as the mobile terminal since it predominately supports users requiring rapid redeployment.Technical Characteristics
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AN/GSC-40/40A(V):
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Frequency Range............... 225 to 400 MHz
Security Device ...............one TSEC/KG-31, two TSEC/KG-34s, three TSEC/KN-2s
Power Input............... 115/230 V AC, 50/60 Hz
Power Output............... 100 W
Antenna AN/GSC-40:............... two high-gain AS-3060/G
AN/GSC-40A(V)1/2:............... four high-gain AS-3060/G
AN/MSC-64(V):
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Type of Service ...............UHF half-duplex AFSAT mode
(includes TDM 3, TDM 1/2, and
random modes of operation)
Frequency Range............... 225 to 399.975 MHz
Number of Channels............... 7,000
Security Device............... TSEC/KN-2
Power Input............... Mobile, 28 V DC at 100 amp; stationary, 115/230 V AC, 50/60 Hz at 10 kW
Power Output............... 10 to 100 W
Antenna............... Low-gain AS-3439/G, omnidirectional high-gain AS-3438/G, directional Weight............... 1,697 kg (3,738 lb) (approx)
AN/GSC-40(V)
Special Communications System
SCS Functional Block Diagram
AN/MSC-64(V)
Satellite Communications Terminal
Roadside
AN/MSC-64(V)
Satellite Communications System
Curbside
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