Radio Flashcards
What do the green and red lights on the red phone indicate?
(Cipher) Green is secured/encrypted
(Plain) Red is unsecured/unencrypted
What is Momsen’s voice call sign and when is it used?
Lucky Swede, when talking on an insecure net
What does TPI stand for?
Two Person Integrity
What is TPI (Two Person Integrity)
A system set in place that makes sure not one person has access to encrypted material
What does KMI stand for?
Key Management Infrastructure
What does the EKMS-1E provide us with?
The minimum policies for handling, safeguarding, issuing, and disposal of COMSEC
What are 4 ways to dispose classified material?
- Shredding
- Mulching (pulping)
- Burning
- Chemical Disintegration
What are the 3 categories of emergency destruction?
- Keying material
- COMSEC Documents
- COMSEC Equipment
What is compromise?
A disclosure of data or information to unauthorized personnel
What is a COMSEC incident?
Any uninvestigated or unevaluated occurrence that has the potential to jeopardize the security of COMSEC material
What are the 4 classifications?
- Top Secret
- Secret
- Confidential
- Unclassified
What are the 5 precedences of messages?
- Critic
- Flash
- Immediate
- Priority
- Routine
How much time do we have to process each message?
Critic - 3 minutes Flash - 10 minutes Immediate - 30 minutes Priority - 3 hours Routine - 6 hours
What is minimize?
A condition imposed to reduce message traffic
Who decides when and how to minimize?
TYCOM (Local)
Joint Chiefs of Staff (Global)
Whose permission do we need to send out message traffic during minimize?
CO
What is EEFI?
Essential
Elements of
Friendly
Information
When you hear Beadwindow on an unsecured circuit, what does it mean?
Brings attention to all operators that (EEFI) has been spilled
When you have been given Beadwindow what is your only response?
“Roger out”
What are the 7 types of EEFI?
- Position
- Capabilities
- Operations
- EW
- Personnel
- COMSEC
- Inappropriate transmissions
What is Gingerbread?
Code word for a suspected intruder on the circuit
What is the frequency spectrum used by the Navy for comms?
VLF > 3-30kHz LF > 30-300kHz MF > 300kHz-3Mhz HF > 3-30Mhz VHF > 30-300Mhz UHF > 300Mhz-3Ghz SHF > 3-30Ghz EHF > 30-300Ghz
“Very Loud Music Has Very Unusual Side Effects”
What is the associated equipment for the following frequency ranges?
MF HF VHF UHF SHF EHF
MF - HFRG (High Frequency Radio Group)
HF - HFRG “ “
VHF - Sincgars
UHF - SRC-58 LOS | Mini DAMA/MD-1324 SATCOM
SHF - ‘NMT’- WSC-9
EHF - ‘NMT’- “ “
What are the capabilities of the following frequencies?
VHF HF UHF SHF EHF
VHF - LOS voice communications. Portable Comms
HF - Over-The-Horizon or Beyond LOS, Voice Comms up to 2000nm
UHF - LOS and satellite communications. Anti-jam in have-quick mode
SHF - Satellite comms
EHF - Satellite comms, anti-jam, anti-detect, nuclear survivable
How many HF transmitters do we have?
(9 total)
8- Broadband
1- Narrowband (Link 11)
How many HF receivers do we have?
(18 total)
17- Broadband
1- Narrowband (Link 11)
Receiver has 9 letters x2
How many HF antennas do we have?
(5 total) 1 - Fan wires = Transmit only (Upper yardarm to O-5) 1 - Twin whip = Transmit only (Mid ships platform) 1- Narrowband whip = Transmit/receive (Mid ships opposite of twin whips) 1- Aft whip = Receive only (Aft VLS next to sight TV) 1- Mast clamp= Receive only
How many RT-1747 Transceivers do we have & what are they used for?
(22 total) 16- UHF LOS 2- VHF LOS 2- HAVE QUICK (HQ) 2- UHF SATCOM
Where are the two UHF LOS antennas located?
Upper yard arm outside edges (Stove Pipes)
3-1/3-5
Where are the two (AS-1735) HAVEQUICK antennas located?
Lower yard arm outside the edges (Tie Fighters)
(3-3/3-4)
Tie Fighters are QUICK
Where are the VHF (AS-2809) antennas located?
(2) Lower port/upper stbd yardarms 4ft Dipoles
(1) Sincgars lower port yardarm
What antenna group do we use for UHF SATCOM?
OE-82C Trashcans (3-10A)
What antennas are used for fleet broadcast?
AS-2815 / Eggbeaters (4) (1-1A)
What are the 3 ways Momsen receives message traffic while underway?
- C2OIX - IP only
- CUDIXS - UHF SATCOM, Top Secret Traffic
- Broadcast - Receive only
What does CUDIXS stand for?
CUDIXS
Common User Digital Information Exchange System
What does DAMA stand for?
Demand
Assigned
Multiple
Access
What is the frequency for international distress (IAD)?
121.5 Mhz
121 countries calling for help
What is the frequency for military air distress (MAD)?
243 MHz
243 is a large number for an army
How many SHF antennas does Momsen have & where are they located?
2, on the O-5 level / dark grey ones (FWD STBD/AFT PORT)
How many EHF antennas does Momsen have & where are they located?
2, on the O-5 level / light grey ones (FWD PORT/AFT STBD)
What does POTS stand for and what frequency does it use?
Plain
Old
Telephone
System, SHF
What applications does NIAPS provide?
SKED, eSOMS, Web-ATIS
What applications does NTCSS provide?
RADM, RSUPPLY, OMMS-NG
How many datacenter does NIPR and SIPR have? What are their locations?
NIPR - 1 Radio
SIPR - 2 Sonar and SNAP
Why does SIPR have one more datacenter?
For redundancy
What is CENTRIXS (Secret Releasable)?
Three separate enclaves that provide chat and translator services with Korea, Japan. and CMFP
