- glidepath sector
- вертикальный сектор глиссады
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
Difference in the Depth of Modulation — or DDM is a method used by the Instrument Landing System in conjunction with the associated airborne receiving equipment to define a position in airspace. [ [http://stinet.dtic.mil/oai/oai?verb=getRecord metadataPrefix=html identifier=ADA138301… … Wikipedia
Canada–New Zealand relations — Canadian–New Zealand relations Canada … Wikipedia
Difference in the depth of modulation — The difference in the depth of modulation or DDM is used by instrument landing systems in conjunction with the associated airborne receiving equipment to define a position in airspace.[1] DDM is usually expressed in percentage but may also be… … Wikipedia