Airport Engineering
According to I.C.A.O. the recommended length of air ports is decided on

Effective gradient percentage
Standard sea level temperature (15°C)
Sea level elevation
All listed here

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Airport Engineering
In instrument landing system

None of these
L.O.M. and Localizer are installed on one side and L.M.M. on the other side
Localizer and L.M.M. are installed on one side and L.O.M. on the other side
L.O.M. and L.M.M. are installed on one side and Localizer antenna on the other side

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