Signal Systems
What does SINCGARS stand for?
Single Channel Ground and Airborne Radio System
What form is used for hand receipts?
DA Form 2062
What’s the first step in diagnosing a radio that won’t transmit?
Check power source and connections
What’s the primary power source for field radios?
BA-5590 or BB-2590 batteries
What does “25U” stand for?
Signal Support Systems Specialist
What frequency range does SINCGARS operate in?
30 MHz to 88 MHz
What regulation governs Army property accountability?
AR 735-5
What tool is used to test coaxial cable integrity?
Cable tester or multimeter
What’s the purpose of a retrans team?
Extend radio range between units
What’s the nickname for the AN/PRC-152?
“Multiband Handheld Radio”
What is the function of a COMSEC device?
Encrypts and secures communications
What is the DA Form 5988-E used for?
Equipment maintenance and fault reporting
What’s a common cause of intermittent signal loss?
Loose connectors or damaged cable
What’s the max cable length for CAT-5 in tactical setups?
~100 meters (328 feet)
What does “JBC-P” stand for?
Joint Battle Command–Platform
What’s the difference between VHF and UHF in tactical use?
VHF = longer range, UHF = better building penetration
What’s the role of the PBO?
Property Book Officer
How do you isolate a faulty antenna?
Swap antenna or test with known-good radio
What’s the standard for grounding comms equipment?
TM 11-5820-890-10-8 grounding procedures
What’s the purpose of the SKL?
The Simple Key Loader (SKL) is an advanced secure cryptographic device, enabling safe distribution and storage of communication security (COMSEC) keys, electronic protection data and signal operating instructions through the use of encrypted keys, or codes.
What’s the encryption protocol used in TACSAT?
DAMA (Demand Assigned Multiple Access)
What’s the purpose of a lateral transfer document?
DA Form 3161
What’s the function of a dummy load?
Simulates antenna load for testing
What’s the role of a 25U in a TOC setup?
Set up comms, maintain networks, troubleshoot systems
What’s the Army’s official signal motto?
PRO PATRIA VIGILANS