Traduction de «Fréquence dans le sens air-sol » (Français → Anglais) :

Communication protocols must support bidirectional point-to-point communications using those parts of the radio frequency spectrum identified by ICAO as suitable for air–ground data communications in support of air traffic services.

Communication protocols must support bidirectional point-to-point communications using those parts of the radio frequency spectrum identified by ICAO as suitable for air–ground data communications in support of air traffic services.

27. Deplores the widespread overlapping of defence programmes in the EU, such as the more than 20 armoured vehicle programmes, the 6 different attack submarine programmes, the 5 ground-to-air missile programmes and the 3 combat aircraft programmes, and its consequences, namely that economies of scale are not achieved, limited economic resources are wasted, and the prices of European defence equipment are over-inflated, which moreover leads to continuing fragmentation of the European Defence Technological and Industrial Base (EDTIB), hampers the competitiveness of the whole security-related industrial sector in Europe and in this regard d ...[+++]irectly endangers technological leadership and employment;

Soil is the interface between the four elements of the ancient world (and perhaps the ancients had more common sense than we do): water, earth, air and sun.

For the purpose of this Directive: - "environments affected" means the water, the land surface and underground strata and the air in or into which waste from the titanium dioxide industry is discharged, dumped, stored, tipped or injected,

The Nigerian component is the installation of six earth stations at the domestic airports of Abuja, Ilorin, Jos, Maiduguri, Port Harcourt and Sokoto, and aviation communications systems for VHF ground-to-air communications and direct speech and data transmission links.