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Jason Aston
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Decks in this class (50)
Key Topic 1: Marine RADAR Systems
8 1a1 choose the most current sta...,
8 1a2 which of the following has ...,
8 1a3 what type of transmitter po...
6
cards
Key Topic 2: Distance and Time
8 2a1 a radio wave will travel a ...,
8 2a2 on radar mile is how many m...,
8 2a3 radar range is measured by ...
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Key Topic 3: Frequency and Wavelength
8 3a1 frequencies generally used ...,
8 3a2 practical radar operation r...,
8 3a3 an s band radar operates in...
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Key Topic 4: Power, Pulse Width, PRR
8 4a1 a pulse radar has a pulse r...,
8 4a2 a shipboard radar transmitt...,
8 4a3 a pulse radar transmits a 0...
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Key Topic 5: Range, Pulse Width, PRF
8 5a1 for a range of 5 nautical m...,
8 5a2 for a range of 100 nautical...,
8 5a3 the minimum range of a rada...
6
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Key Topic 6: Pulse Width - Pulse Repetition Rates
8 6a1 if the prf is 2500 hz what ...,
8 6a2 if th pulse repetition freq...,
8 6a3 the pulse repetition rate p...
6
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Key Topic 7: Components-1
8 7a1 what component of a radar r...,
8 7a2 a basic sample and hold cir...,
8 7a3 when comparing a ttl and a ...
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Key Topic 8: Components-2
8 8a1 the basic frequency determi...,
8 8a2 which of the following is n...,
8 8a3 when comparing ttl and cmos...
6
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Key Topic 9: Circuits-1
8 9a1 blocking oscillators operat...,
8 9a2 the block diagram of a typi...,
8 9a3 the phantastron circuit is ...
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Key Topic 10: Circuits-2
8 10a1 in the circuit shown in fi...,
8 10a2 if more light strikes the ...,
8 10a3 in the circuit shown in fi...
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Key Topic 11: Transmitting Systems
8 11b1 the magnetron is used to a...,
8 11b2 the purpose of the modulat...,
8 11b3 which of the following sta...
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Key Topic 12: Magnetrons
8 12b1 high voltage is applied to...,
8 12b2 the characteristic of the ...,
3 12b3 what device is used as a t...
6
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Key Topic 13: Modulation
8 13b1 in a solid state radar mod...,
8 13b2 the modulation frequency o...,
8 13b3 a shipboard radar uses a p...
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Key Topic 14: Pulse Forming Networks Modulation
8 14b1 the pulse developed by the...,
8 14b2 pulse transformers and pul...,
8 14b3 the purpose of the pulse f...
6
cards
Key Topic 15: TR - ATR - Circulators - Directional Couplers-1
8 15b1 the ferrite material in a ...,
8 15b2 in a circular resonant cav...,
8 15b3 a ferrite circulator is mo...
6
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Key Topic 16: TR - ATR - Circulators - Directional Couplers-2
8 16b1 the atr box a protects the...,
8 16b2 when a pulse radar is radi...,
8 16b3 the tr box a prevents the ...
6
cards
Key Topic 17: Timer - Trigger - Synchronizer Circuits
8 17b1 what radar circuit determi...,
8 17b2 the triggering section is ...,
8 17b3 operation of any radar sys...
6
cards
Key Topic 18: Power Supplies
8 18b1 an advantage of resonant c...,
8 18b2 the characteristics of a f...,
8 18b3 a pulse width modulator in...
6
cards
Key Topic 19: Receiving Systems
8 19c1 which of the following sta...,
8 19c2 logarithmic receivers a ca...,
8 19c3 radar receivers are simila...
6
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Key Topic 20: Mixers
8 20c1 the diagram in fig 8c9 sho...,
8 20c2 in the receive mode freque...,
8 20c3 an rf mixer has what purpo...
6
cards
Key Topic 21: Local Oscillators
8 21c1 the error voltage from the...,
8 21c2 in a radar unit the local ...,
3 21c3 what component of a radar ...
6
cards
Key Topic 22: Amplifiers
8 22c1 overcoupling in a radar re...,
8 22c2 the usual intermediate fre...,
8 22c3 the if amplifier bandwidth...
6
cards
Key Topic 23: Detectors - Video Amplifiers
8 23c1 which of the following sta...,
8 23c2 video amplifiers in pulse ...,
8 23c3 in video amplifiers compen...
6
cards
Key Topic 24: Automatic Frequency Control -AFC
8 24c1 the afc system is used to ...,
8 24c2 a circuit used to develop ...,
8 24c3 in the afc system the disc...
6
cards
Key Topic 25: Sea Clutter - STC
8 25c1 the stc circuit is used to...,
8 25c2 the stc circuit a increase...,
8 25c3 sea return is a sea water ...
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Key Topic 26: Power Supplies
8 26c1 prior to making power on m...,
8 26c2 a contant frequency switch...,
8 26c3 the circuit shown in fig 8...
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cards
Key Topic 27: Interference Issues
8 27c1 one of the best methods of...,
8 27c2 the primary cause of noise...,
8 27c3 noise can appear on the lc...
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Key Topic 28: Miscellaneous
8 28c1 the purpose of the discrim...,
8 28c2 the mti circuit a acts as ...,
8 28c3 where is a rf attenuator u...
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Key Topic 29: Displays
8 29d1 modern liquid crystal disp...,
B 8 29d2 voltages used in crt ano...,
8 29d3 the purpose of the aquadag...
6
cards
Key Topic 30: Video Amplifiers and Sweep Circuits
8 30d1 what are the usual input s...,
8 30d2 which of the following wou...,
8 30d3 the purpose of the sweep a...
6
cards
Key Topic 31: Timing Circuits
8 31d1 timing circuits are used t...,
8 31d2 the circuit that develops ...,
8 31d3 which of the following fun...
6
cards
Key Topic 32: Fixed Range Markers
8 32d1 accurate range markers mus...,
8 32d2 range markers are determin...,
8 32d3 a gated lc oscillator oper...
6
cards
Key Topic 33: Variable Range Markers
8 33d1 the variable range marker ...,
8 33d2 the purpose of the variabl...,
8 33d3 how is the variable range ...
6
cards
Key Topic 34: EBL, Azimuth, and True Bearing
8 34d1 the purpose of the electro...,
8 34d2 the electronic bearing lin...,
8 34d3 which of the following inp...
6
cards
Key Topic 35: Memory Systems
8 35d1 in a digitized radar the 3...,
8 35d2 while troubleshooting a me...,
8 35d3 the term dram stands for a...
6
cards
Key Topic 36: ARPA - CAS
8 36d1 the ship s speed indicatio...,
8 36d2 what does the term arpa ca...,
8 36d3 which of the following wou...
6
cards
Key Topic 37: Display System Power Supplies
8 37d1 the display power supply p...,
8 37d2 the display power supply p...,
8 37d3 in a display system power ...
6
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Key Topic 38: Miscellaneous
8 38d1 the heading flash is a mom...,
8 38d2 the major advantage of dig...,
8 38d3 in order to ensure that a ...
6
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Key Topic 39: Antenna Systems
8 39e1 slotted waveguide arrays w...,
8 39e2 a typical shipboard radar ...,
8 39e3 good bearing resolution la...
6
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Key Topic 40: Transmission Lines
8 40e1 the vswr of a microwave tr...,
8 40e2 the impedance total zo of ...,
8 40e3 if long length transmissio...
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cards
Key Topic 41: Antenna to Display Interface
8 41e1 the position of the ppi sc...,
8 41e2 on a basic synchro system ...,
8 41e3 what is the most common ty...
6
cards
Key Topic 42: Waveguides-1
8 42e1 waveguides can be construc...,
8 42e2 a microwave transmission l...,
8 42e3 waveguide theory is based ...
6
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Key Topic 43: Waveguides-2
8 43e1 a rotary joint is used to ...,
8 43e2 resistive losses in a wave...,
8 43e3 a right angle bend in an x...
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cards
Key Topic 44: Equipment Faults-1
8 44f1 when you examine the radar...,
8 44f2 range rings on the ppi ind...,
8 44f3 what would be the most lik...
6
cards
Key Topic 45: Equipment Faults-2
8 45f1 a circuit card in a radar ...,
8 45f2 a defective crystal in the...,
8 45f3 the radar display has sect...
6
cards
Key Topic 46: Equipment Faults-3
8 46f1 silicon crystals are used ...,
8 46f2 in a radar unit if the cry...,
8 46f3 an increase in magnetron c...
6
cards
Key Topic 47: Equipment Faults-4
8 47f1 if the magnetron is allowe...,
8 47f2 targets displayed on the r...,
8 47f3 loss of distant targets du...
6
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Key Topic 48: Maintenance
8 48f1 a thick layer of rust and ...,
8 48f2 the echo box is used for a...,
8 48f3 what should be done to the...
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Key Topic 49: Installation
8 49f1 why is coaxial cable often...,
8 49f2 radar interference to a co...,
8 49f3 why should long horizontal...
6
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Key Topic 50: Safety
8 50f1 choose the most correct st...,
8 50f2 before testing a radar tra...,
8 50f3 while making repairs or ad...
6
cards
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FCC Element 8
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