The Pacific War Online Encyclopedia
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|Pulse Width||2 microsecond|
|Pulse Repetition Frequency
|Range||8 nautical miles (15 km) on cruiser
4-7 nautical miles (7-13 km) on destroyer
1-1.5 nautical miles (2-3 km) on submarine
2 nautical miles (4 km) on PT boat
15 nautical miles (30 km) on aircraft at 1000 feet (300 meters)
25 nautical miles (45 km) on aircraft at 16,000 feet (5000 meters)
||One transmitting dipole cross
Two receiving dipole crosses
||200 yards/10 degrees
180 meters/10 degrees
||Type 286 from 1940
Type 286P from 1941-2
The Type 286 was a British
naval air search radar, derived from the ASV Mark I and available from shortly after the Allied evacuation from Dunkirk in France. It was
the first destroyer set, designed for small ships, and was very crude, having no rotating antenna. The target area was scanned by maneuvering the ship.
The 286P introduced a rotating antenna. It also had better bearing accuracy (3-5 degrees). The 286PW
was a submarine radar with about half the range.
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