Modes
What is mode 1, 2, 3, 4, and 5
IFF Modes
What is the Sentinel Radar’s nomenclature?
AN/MPQ-64 A3
What is the deadspace or the radius not covered by the Sentinel Radar
Cone of Silence
During emplacement of the Enhanced Sentinel radar, inside the FMTV truck, the driver releases ___________ to the trailer to set the trailer brakes automatically.
Air Brakes
The radar antenna forms ___________ pulses from the transmitter into narrow beams for radiation into space.
High Power RF
The FAAD interface operates in one of six modes, name three of those modes of operations.
C2I (Normal), CONOPS-EPLRS, CONOPS-SINCGARS, CONOPS-Cable, Test, RESC2S
Which one of the work platforms on the ATG trailer gives access to the low voltage compartment?
Curbside
What indicator comes on when antenna azimuth or elevation hand crank interlock is open or when an antenna azimuth drive fault is detected?
ANT FAULT
What is the purpose of the elevation hand-crank?
Erecting and stowing the antenna
What is the purpose of the EPLRS radio?
Provides send only CONOPS (Continuity of Operations) data communications.
Which mode of IFF Interrogation is the U.S. crypto secure mode of ID shared with the North Atlantic Treaty Organization (NATO) and approved allied countries?
Mode 4
Where are some locations where you can find the adaptation constants?
ERCT access cover, antenna SIU door frame
What indicator on the RSC (Radar Set Control Panel) comes on when the azimuth drive circuit breaker is open?
ANT CB OPEN
The AN/MPQ-64A3 can be emplaced in ___________ mins and march-ordered in ___________ mins.
30 Minutes
The ___________ is a receive-only antenna used to detect external RF jamming signals for electronic countermeasure (ECM) functions.
Auxiliary Feed Horn
What is the component that is inserted into the AN/TPX 57 that stores Mode 4/5 encryption Codes?
KIV-77
How many Power Amplifier Modules (PAM) are present on the ATG and what is it used for?
Two, that amplify the exciter RF output to a high-power level for transmission by way of the antenna group.
When emplacing the Sentinel A3, How far can you remote the RCT?
10km
What piece of equipment is used to orient the antenna during sensor emplacement if the North Finding System (NFS) is inoperable?
Bore Sight Telescope Assembly
The site requirements to account for during emplacement of the Sentinel Radar are ___________, ___________, ___________, & ___________.
Slope of ground, height and density of foliage as well as trees relative to antenna, average terrain mask angle, other radar sets operating in the area.
When MODE 4/5 is loaded for operations, how many days of unencrypted and encrypted code information can be loaded into the IFF Interrogator (AN/TPX-57)?
2 unencrypted, 31 encrypted
The ___________ contains circuit cards that perform radar control and signal processing, and provides interface between the Sentinel, RCT and external systems.
Signal Data Processor
What is the maximum wind speed that the Sentinel Radar can operate in?
52 MPH with gusts to 75 MPH
Once the command for march-order has been given, what first three procedures for proper shut down should be taken in order of precedence?
Perform Sensor Turn-Off, Perform RCT Turn-Off, & Perform MEP-813A Generator Shutdown.
Target discrimination is the process of identifying and tracking of ___________?
Fixed wing or Rotary wing. Unknown, designated unknown, or known/friendly (IFF).