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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-23's
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what are the HF recievers we use
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R-2368's
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how many R-2368 HF recievers do we have onboard
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16
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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 satcom's do we have
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4
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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,POTS
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what is the freq of EHF
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30GHZ to 300GHZ
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what is the primary purpose of EHF
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back up to SHF (niprnet,siprnet,pot)
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what is the freq of the URT-23's
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3-30mhz
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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 is the purpose of the SA-2112
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patch red phones throughout the ship and assign different circuts with different channels
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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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helo tower, bridge, port and starboard quarterdecks, cic radio and taclog
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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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what is IMARSAT used for
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same as SHF just Lower Bandwidth
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