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24 Cards in this Set
- Front
- Back
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Principles of vp |
Security, Accuracy, Discipline |
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VP, Aids to security |
Low level codes, Authentication, Radio Purge, Security of line |
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VP, Aids to accuracy |
Rhthym, Speed, Volume, Pitch |
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VP Discipline: DO'S |
1, use correct vp 2, maintain constant listening watch 3, use correct F mode 4, use correct crypto/ Ci time periods 5, answer calls in correct order without delay 6, listen before transmitting 7, release presel 8, ensure radio rtns to rx after tx |
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VP Discipline, Dont's |
1, Violate radio silence 2, compromise classified information through use of plain language on non secure/ clr net 3, make unnecessarily long tx 4, chat on net 5, I'D yourself or unit by name 6, speak too fast 7, Swear or lose temper |
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Types of call |
S- single C- collective (cc1) A- all stns M- multiple stns (not pre designated collective) E- exempt, all but designated stn L- limited response, only req resp from certain stns |
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Types of Net |
Simple - 1 F, all on it Rebroadcast - one control stn and sub stns |
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Types of Msg offers? |
Formal: mistat, persreps, 9 lines etc Informal: any normal tx |
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Establishing Comms - Radio checks |
1, only used when Comms are expected to be poor 2, for complex or combined Comms that req engineering I.e RRB, skywave) 3, Good comsec, dictates RC to be kept to minimum 4, naver make all stns RC in clr 5, best practice, call the Cs in the presumed worst/ furthest position |
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Responses to a RC |
OK over, Difficult over, Unworkable out |
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Pro words for 'wrong' |
All before All after Word before Word after From... To... My last, my locstat, my sitrep etc |
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Define proword 'wrong' |
Used when a detail or part of the message is wrong |
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Define proword cancel |
Used when whole message is cancelled |
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Relay prowords |
Relay to Relay through From Through me |
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Anti Jamming drills |
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Types of antenna |
Resonant Broadband Travelling wave |
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Resonant antenna |
An AE that performs at the maximum effectiveness when it's length corresponds to the wavelength of 1 F cycle |
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Broadband AE |
Designed to perform effectively a cross a range of F. They have a greater bandwidth |
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Travelling wave AE |
Are several wavelengths long and highly directional |
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Propergation table |
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What is attenuation? |
Radio wave is weakened as it travels between the transmitter and receiver |
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Factors that effect Attenuation |
Ground Obstacles Atmosphere Distance |
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Factors affecting surface wave propergation |
Polarity- vertically polarised Height- usually 1/4 wavelength monopole, max current at center, should be vertical. And close to ground Type of ground- ice, jungle, desert egc Terrain- hills F- the lower the F the greater the distance Siting- aim for open ground in distance of receiver. |
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For best surface wave |
1, An AE that is vertical and close to the ground 2, siting on high ground 3, open ground in direction of rx stn 4, low F |
