To pick up a satellite signal, you normally need to point a dish aerial precisely at the source.
2.
In addition there is a dish aerial on the station area for satellite reception with approx . 2.5 metres diameter.
3.
In the 1960s the Space Department of the Royal Aircraft Establishment with its HQ at Farnborough, sited a number of satellite tracking and receiving dish aerials on the south side of Lasham airfield, one enclosed in a large white dome.
4.
The British design used Radar Type 262 centimetric radar with a small spinning dish aerial, which gave range and bearing and was capable of " locking on " to a target and could train and elevate the guns as the target moved.
5.
Complete line-of-sight was required to the transmitter for the new service, the dish aerials required were generally more prone ( than other systems ) to weather damage during high winds, and the viewers at longer distances from the parent Carrigaline transmitter suffered from rainfade causing reception dropouts during heavy rainfall.
परिभाषा
directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation पर्याय: dish, dish antenna, saucer,
मोबाइल