OSC SWE Operations Specialist Chief
E-7 Study Guide| Complete Questions
And Correct Answers| 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
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
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
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
How long are radio violations reports saved for? - Ans--Three years from the
date of the incident
What is the frequency spectrum for LF? - Ans--30-300 kHz
What is the frequency spectrum for MF? - Ans--300-3000 kHz
What is the frequency spectrum for HE? - Ans--3-30 MHz
What is the frequency spectrum for VHF? - Ans--30-300 MHz
What is the frequency spectrum for UHF? - Ans--300-3000 MHz
What is the frequency spectrum for SHF? - Ans--3-30 GHz
What is the form number for report of radio interference? - Ans--JSIR
Message
What is the form number for report of radio violation? - Ans--CG-2861A
OE-82C is antenna group on? - Ans--Satellite Comms
What does ANDVT stand for? - Ans--Advanced Narrowband Digital Voice
Terminal
2182 kHz belongs to what spectrum? - Ans--MF
Which piece of equipment uses KGV-11? - Ans--DAMA
Which antenna is omni-directional? - Ans--Whip
E-7 Study Guide| Complete Questions
And Correct Answers| 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
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
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
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
How long are radio violations reports saved for? - Ans--Three years from the
date of the incident
What is the frequency spectrum for LF? - Ans--30-300 kHz
What is the frequency spectrum for MF? - Ans--300-3000 kHz
What is the frequency spectrum for HE? - Ans--3-30 MHz
What is the frequency spectrum for VHF? - Ans--30-300 MHz
What is the frequency spectrum for UHF? - Ans--300-3000 MHz
What is the frequency spectrum for SHF? - Ans--3-30 GHz
What is the form number for report of radio interference? - Ans--JSIR
Message
What is the form number for report of radio violation? - Ans--CG-2861A
OE-82C is antenna group on? - Ans--Satellite Comms
What does ANDVT stand for? - Ans--Advanced Narrowband Digital Voice
Terminal
2182 kHz belongs to what spectrum? - Ans--MF
Which piece of equipment uses KGV-11? - Ans--DAMA
Which antenna is omni-directional? - Ans--Whip
