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15 Cards in this Set
- Front
- Back
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What type of equipment is used to convert coded transmissions from the modualted signal back to original inteligence?
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Terminal equipment such as AN/UCC-l, AN/URA-17, and CV-
2460. |
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What is the Frequency band of EHF?
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30-300 GHZ
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What is the Frequency band of SHF?
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3-30 GHZ
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What is the Frequency band of UHF?
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300Mhz to 3 GHZ
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What is the Frequency band of VHF?
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30-300 Mhz
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What is the Frequency band of HF?
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3-30 Mhz
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Commercial Broadcast band covers what frequencies?
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500-1700 KHZ.
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What band is used in the Navy for long range communications?
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HF
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What band is used by the Navy for Mobile, navigation, Repeat operation, Amphiphous and Special operations, Short LOS, and SATCOM.
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VHF
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Band used extensively for Line of Sight Communications?
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UHF
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Microwave coomunications used extensively for terrestrial, and satellite relay links, radar, and special operations?
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SHF
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What is the range of Voice Frequency?
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110-3,000 Hz
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What is the range of Audio Frequency Spectrum?
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10-20,000 Hz
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What is the process of combining audio freq and radio freq signals so that the amplitude of the RF waves vary at audio freq rate?
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AM
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What is the process in which the freq of the carrier is made to vary and signal remains constant in amplitude and changes in freq?
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FM
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