OSC SWE OPERATIONS SPECIALIST CHIEF E-7 STUDY GUIDE QUESTIONS AND ANSWERS GRADED A+ 2026

OSC SWE OPERATIONS SPECIALIST
CHIEF E-7 STUDY GUIDE QUESTIONS
AND ANSWERS GRADED A+ 2026




What is the shape of a C-10315 in an HF block diagram? - ANS Square


Receive and transmit on separate frequency but not at the same time is an example of what? -
ANS Half-deplux circuit


Receive and transmit on separate frequencies but concurrently is an example of what? -
ANS Full-duplex circuit


What does the "V" in KYV-5 stand for? - ANS Removable comm. Security component


What does the "Y" in KYV-5 stand for? - ANS Speech


What does the "K" in KYV-5 stand for? - ANS Keying, permuting


What does the "W" in KWR-46 stand for? - ANS logic programmer or programming


What does the "G" in KG-84 stand for? - ANS Key Generation

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,What is the nomenclature of an SKL? - ANS AN/PYQ-10


What is the nomenclature of the memory card contained in the SKL? - ANS KOV-21


What information is in the "precedence line"? - ANS The priority and date time group


How many times must you press the zeroize button on an SKL before irreversible deletion
occurs? - ANS 1


What is the nomenclature of the crypto card in the STE? - ANS KSV-21


What is the AL Code of the STE crypto card? - ANS 1


Mini Loop Antenna on WMEC/WHEC is what directional? - ANS bi-directional


You are required to load this into a KWR-46 before you can receive data? - ANS UV, CV, BAV
(KEK)


What freq spectrum should not be used for long range? - ANS VHF, UHF, SHF, EHF


What freq spectrum is not LOS? - ANS LF, MF, HF


What is the frequency manual? - ANS Spectrum Management COMDTINST 2400.1H


What is the Radiotelephone Handbook? - ANS COMDTINST M2300




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,What is the IAD/CAD frequency? - ANS 121.5 MHz


What is the MAD frequency? - ANS 243.0 MHz


What DSC frequency must cutters monitor? - ANS VHF 156.525 HF 2187.5 kHZ


What does amplitude mean? - ANS The amount of radioactive energy in a radio wave


What is the NAVMACS acronym for? - ANS Naval Modular Automated Communications
System


What is CUDIXS the acronym for? - ANS Common User Digital Information Exchange System


Which sphere has the most effect on HF? - ANS Ionosphere


What is the nomenclature for antenna control? - ANS C-9597


Is FSB simplex or duplex? - ANS Simplex


What is the SIPRNET acronym for? - ANS Secret Internet Protocol Router Network


What type of crypto is used for FSM? - ANS KG-175


If zeroized, the KYV-5 is what classification? - ANS ...


What type of battery is used for the SKL? - ANS Lithium-ion



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, What is the nomenclature of the CIK for the SKL? - ANS ...


Which IFF modes are military? - ANS 1,2,3


Which IFF mode i.d.'s friendly or military? - ANS ...


What lights up for IFF lost comms? - ANS 7600


What is uplink referred to as? - ANS Used to describe the frequency transmitted to the
satellite


What is downlink referred to as? - ANS Used to describe the frequency received from the
satellite.


What is the speed of service objectives for Flash? - ANS As fast as possible with a goal of 10
mins


What is the speed of service objectives for Immediate? - ANS 30 mins


What is the speed of service objectives for Priority - ANS 3 hours


What is the speed of service objectives for Routine? - ANS 6 hours or start of next business
day


In what manual would you find Q&Z sigs in? - ANS ACP 131


How long is an interference message saved for? - ANS Three years



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