Публикации
Wideband conical antennas such as this one are widely used in ground-air communications for omnidirectional HF transmission and reception. A special system using such an antenna was designed and…
Публикации
Wideband conical antennas such as this one are widely used in ground-air communications for omnidirectional HF transmission and reception. A special system using such an antenna was designed and…
Публикации
Wideband conical antennas such as this one are widely used in ground-air communications for omnidirectional HF transmission and reception. A special system using such an antenna was designed and…
Публикации
Wideband conical antennas such as this one are widely used in ground-air communications for omnidirectional HF transmission and reception. A special system using such an antenna was designed and…
Публикации
Wideband conical antennas such as this one are widely used in ground-air communications for omnidirectional HF transmission and reception. A special system using such an antenna was designed and…
Публикации
The way of the future? Shown are" interactive-graphics" technicians at Westinghouse's Baltimore facility employing computer-aided design to develop different concepts that might be applied to the new…
Публикации
The way of the future? Shown are" interactive-graphics" technicians at Westinghouse's Baltimore facility employing computer-aided design to develop different concepts that might be applied to the new…
Публикации
The way of the future? Shown are" interactive-graphics" technicians at Westinghouse's Baltimore facility employing computer-aided design to develop different concepts that might be applied to the new…
Публикации
The European Space Agency employed Ariane L04 to launch the Marecs-A special-purpose communication satellite into a geostationary orbit over the Atlantic Ocean on 20 December 1981. Marecs-A is leased…
Публикации
The European Space Agency employed Ariane L04 to launch the Marecs-A special-purpose communication satellite into a geostationary orbit over the Atlantic Ocean on 20 December 1981. Marecs-A is leased…