Vhf very high frequency - Study guides, Class notes & Summaries

RCDD TEST QUESTIONS (TOPIC 1 - TOPIC 7) WITH COMPLETE SOLUTIONS. If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB C. 30 dB The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt....

Which statement is true about density altitude Answer - Density altitude is increased by a decrease in pressure What effect, if any, does high humidity have on aircraft performance? Answer - Decreased peformance It is true airspeed adjusted for wind. Decreases with headwind and increased with tailwind Answer - Indicated altitude The altitude indicator has a gyro which spin on a Answer - horizontal axis VOR stands for Answer - Very high frequency omni directional range VOR frequenc...

Cpl's Course comp exam 1 with Verified Answers| 100% Correct| 100% Score What are the two principal sources of natural radio noise? - thunderstorms and stars What is the range of very high frequency (VHF) - 30-300 Mhz The frequency band characteristic in VHF for ground wave range is _ miles - 0-30 miles Leaders at all levels are responsible for maintaining a unit's combat readiness. The military occupational specialty (MOS) road maps help leaders by providing a guide to ensure that _ - T...

C If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB B The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is the signal-to- noise ratio (SNR) (dB) at the receiver input...

Cpl's Course Comp Exam 1 With Complete Solutions 100% Solved What are the two principal sources of natural radio noise? - thunderstorms and stars What is the range of very high frequency (VHF) - 30-300 Mhz The frequency band characteristic in VHF for ground wave range is _ miles - 0-30 miles Leaders at all levels are responsible for maintaining a unit's combat readiness. The military occupational specialty (MOS) road maps help leaders by providing a guide to ensure that _ - Technica...

If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB C. 30 dB The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is the signal-to- noise ratio (SNR) (dB) at the receiver...

RCDD Practice Test Latest Questions With Complete Solutions. C If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB B The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is t...

RCDD TEST QUESTIONS (TOPIC 1 - TOPIC 7) WITH COMPLETE SOLUTIONS. If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB C. 30 dB The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt....

What 3 bands do the Maritime Mobile Service radiotelephone communications use? correct answer: VHF, MF & HF Are VHF or MF-HF bands longer range? correct answer: MF-HF bands provide communications over a few thousand miles, while VHF only about 20 nm What is needed to operate a radio in the Marine Bands in Canada? correct answer: Restricted Operator Certificate (Maritime) or ROC(M) What is the medium and high (MF-HF) Distress and Calling frequency? very high frequency (VHF)? correct a...

RCDD Practice Test Latest Questions With Complete Solutions. C If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB B The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is t...