刊物
This Bell Helicopter 214ST, operated by Okanagan Helicopters Ltd. of British Columbia, Canada, carries a Collins PAC-200 automatic probe antenna/coupler. Connected to an HF transceiver it has been…
刊物
This Bell Helicopter 214ST, operated by Okanagan Helicopters Ltd. of British Columbia, Canada, carries a Collins PAC-200 automatic probe antenna/coupler. Connected to an HF transceiver it has been…
刊物
This Bell Helicopter 214ST, operated by Okanagan Helicopters Ltd. of British Columbia, Canada, carries a Collins PAC-200 automatic probe antenna/coupler. Connected to an HF transceiver it has been…
刊物
The Vienna ATC Centre is being modernized with the installation by Plessey of a highly advanced data processing system and new radar displays, shown here. Video presentations can be selected by…
刊物
The Vienna ATC Centre is being modernized with the installation by Plessey of a highly advanced data processing system and new radar displays, shown here. Video presentations can be selected by…
刊物
The Vienna ATC Centre is being modernized with the installation by Plessey of a highly advanced data processing system and new radar displays, shown here. Video presentations can be selected by…
刊物
Cloud top temperature photograph of the volcanic plume rising from El Chichon (Mexico) one day after its eruption of 28 March 1982. A very high resolution radiometer on the NOAA-7 satellite measures…
刊物
Cloud top temperature photograph of the volcanic plume rising from El Chichon (Mexico) one day after its eruption of 28 March 1982. A very high resolution radiometer on the NOAA-7 satellite measures…