The radar antenna measures the time it takes for the reflection to arrive, and with that information can tell how far away the object is.
Collins was stricken to see the radar antenna wasn't turning.
For several long hours he just sat on the hill, watching a pond down beneath him, the radar antenna spinning around.
The radar antenna had been broken off the radio mast.
It sure wouldn't hurt the radar antenna that Riley was so worried about.
They knew to avoid the radar antenna if at all possible.
The radar antenna may however be moved manually if required.
The offset design is also widely used in radar antennas.
The overall weapon system ended up using three radar antennas, and was therefore similar to earlier systems.
Barker's head stopped like a radar antenna with a fix on its target.