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33 Cards in this Set
- Front
- Back
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what is the freq range of HF
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3-30mhz
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how far can HF go out.
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100+nm could be used for transoceanic comms
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what are the HF tranmitters we use
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URT-28's (2- IN THE SOC)
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how many HF recievers do we have and where.
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3 in the SOC
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what is the freq range of VHF
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30-300mhz
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how far can VHF go out
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12-15nm
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what is the freq range of UHF (LOS and SATCOM)
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300mhz- 3ghz
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how far can UHF los go out
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25-30nm
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how far can UHF satcom go out
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within satalite footprint
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how many wsc-3 SATHICOM transceivers's do we have
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4 located in the soc
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what is the freq of SHF
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3ghz-30ghz
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what is the primary purpose of SHF
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NIPRNET,SIPRNET
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what is the freq of EHF
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30GHZ to 300GHZ
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what does OTAT mean
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Over The Air Transmission
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What does DAMA mean
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Demand Assigned Muliple Access
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what is the purpose of DAMA
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used for satalite voice and data comms
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what are the three types of security clearances
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top secret,secret,confidential
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what is Minimize
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reduce the amount of traffic on the net
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what does the blue base on the bottom of the antenna mean
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receiver
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what does the red base on the bottom of the antenna mean
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tranmitter
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what does gingerbread mean
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there is an intruder on the net
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what is COMSEC
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program to inhibit gathering of useful information by hostil forces by signal intelligence means
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define Emergency Destruction
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requires the CO's permission. procedure to steps on following what and how to dispose of classified material in case of abandon ship/hostile takeover
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define COMPROMISE
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information has been let out to unauthorized source
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where are all the red phones onboard
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(5) in SOC
(1) in Pilot House (1) in cras /rescue locker |
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what does OTAR mean
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Over The Air Rekey
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what are transceivers used for
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transmits and recieves radio waves
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what does LOS mean
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Line Of Sight
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how many HF antennas do w have and where?
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35 ft tall fiberglass whips
(2) transmit antennas 1 on the port side on top of the bridge and the other located starboard side on the O1 level. red base and safety circle, (2) recieve antennas both on the port side 1 on the O1 level and one on the fan tail. blue base |
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what is UHF used for?
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transfers voice data and GCCS-M/JMCIS data
SATHICOM, and back up for SHF |
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wat are our UHF antennas and where are they?
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(2) WSC-1 ('trash cans") antennas located on the O2 level on top of the bridge.
(2) UHF LOS antennas located on the main mast |
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discuss Impeccables VHF communication
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BRIDGE TO BRIDGE NON-SAFTEY OF NAVIGATION circuit.
NOT SECURE (2) standard civiliand fiberglass whip antennas on the pilot house |
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what is INMARSAT
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INTERNATIONAL MARINE SATELITE
antenna is the ball on the short mast just forward of the winch control station |
