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24 Cards in this Set
- Front
- Back
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list two advantages of utilizing cellular phones and pagers ?
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1. they allow you to contact personel when they are not near administrative phones
2. they serve as back up means of communication |
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what procedures must be folowed when an individual aving less than a Secret security clearance must use the STU-III ?
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they must remain under direct supervision by a properly cleared individual
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how are communicatins using the STE secured ?
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by inserting a crypto card called the Fortezza plus
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Name the levels of precedence of the telephone priority system
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flash
immediate priority routine |
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what precedence is reserved for vital communicatons having an immediate operational effect on tactical operations, safety and rescue operations, and intelligence reports ?
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immediate
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what band of frequaenices do we know as the HF band ?
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3 to 30 MHz
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which frequnecies are in high demand because of their reliable long-range propogation accomodating voice and teletype data ?
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HF
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are frequancies in hte VHF range useful for long distance communications? Explain.
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No. their service is confined to the LOS because they are nt normally refracted by the atmosphere
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what are three principal methods of UHF propogation ?
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-LOS
-tropospheric scatter -satellite |
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why is it important to use prescribed procedures for radia operationms ?
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1.your speech must be clear and concise
2.it must be assumed that you are intercepted/analyzed by adversaries 3.discipline is needed to ensure transmission do not overlap |
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what happens if you speak too loudly on HF cicuit ?
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you over modulate the signal to a point where it becomes unreadable
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what should you always ensure you know before you key the radio microphone ?
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that no secret information is being discussed nearby
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what is the purpose of prowords in radio/telephone communications ?
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to shorten and facilitate voice communications
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give the exact meanind of the words DISREGARD THIS TRANSMISSION.
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this transmission is in error
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which proword do we use to precede the transmission of numbers
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figures
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what does the prowrod ROGER signify ?
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i have received your last transmission satisfactorily
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which proword do you use to indicate that you need a repeat of the last transmission ?
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say again
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why do you use a multiple call ?/
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two or more call signs
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in making a full call, why would you transmit both call signs twice to attract attention ?
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when communications are difficult or when aircraft with similar call signs are in the area
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if, after a few calls, you realize you cannot establish contact with an aircraft, what do you do ?
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try to establish contact by relay through another agency
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what is the purpose of MINIMIZE ?
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to limit the volume of routine traffic in the communications system during a simulated or actual emergency to ensure the flow of essential traffic.
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who has the authority to impose MINIMIZE ?
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-JCS for worldwide minimize
-unified/specified commanders for their AOR |
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generally, what document is used to impose MINIMIZE ?
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a message text
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who can cancel a MINIMIZE condition ?
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the imposing or appropriate higher authority
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