Aeroplane and Commercial Aviation News, 93. kötet1957 |
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45. oldal
... position for the VHF aerial on a helicopter is on the underside of the aircraft . This is usually the only place where an adequate ground plane is available , and alternative positions will result in varying degrees of rotor modulation ...
... position for the VHF aerial on a helicopter is on the underside of the aircraft . This is usually the only place where an adequate ground plane is available , and alternative positions will result in varying degrees of rotor modulation ...
46. oldal
... position . If the directional aerial is suppressed in the skin of the air- craft , the greater the depth of the aerial below the surface the greater is the reduction on useful range . It may be as well to point out that there are ...
... position . If the directional aerial is suppressed in the skin of the air- craft , the greater the depth of the aerial below the surface the greater is the reduction on useful range . It may be as well to point out that there are ...
37. oldal
... positions should have the qualifications and experience for ultimate succession to the position of Director . One of the two positions will be as Assistant to and Deputy for the Director of Civil Aviation in supervising the ...
... positions should have the qualifications and experience for ultimate succession to the position of Director . One of the two positions will be as Assistant to and Deputy for the Director of Civil Aviation in supervising the ...
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