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Naval History and Heritage Command #NH-80532
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| Wavelength | 10 cm |
| Pulse Width | 1.5 or 1.9 microsecond |
| Pulse Repetition Frequency
|
500 Hz |
| Scan Rate |
Manual; approximately 2 rpm. Later versions autorotated at up to 18 rpm. |
| Peak power | 500 kW |
| Range | 16 nautical miles (30 km) battleship 14 nautical miles (26 km) heavy cruiser 12 nautical miles (22 km) destroyer 10 nautical miles (19 km) frigate 7 nautical miles (13 km) PT boat 5 nautical miles (9 km) submarine 13 to 17 nautical miles (17 to 23 km) on aircraft at 200' to 6000' (60 meters to 1800 meters) |
| Accuracy |
3.5 degrees/50 yards 3.5 degrees/45 meters |
| Antennas |
Single cheese |
| Scope |
A scope. Plan Position Indicator on later
autorotating models. |
| Production |
From 1944 |
The British
Type 276 was a further refinement on the Type 271
naval sea search radar, with much greater power and a "single cheese"
antenna. Like Type 271, it was initially manually steered and equipped
initially with an A-scope display.
Later versions were autorotating and had a PPI display. It was fitted
primarily to destroyers.
References
The Pacific War Online Encyclopedia © 2014 by Kent G. Budge. Index
