The Pacific War Online Encyclopedia
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| Wavelength | 140 cm |
| Pulse Width |
1.1 microsecond |
| Pulse repetition
frequency |
500 Hz |
| Power |
100 kW |
| Range | 35 nautical miles (65 km) on aircraft at 10,000 feet (3000
meters) 30 nautical miles (55 km) on aircraft at 5000 feet (1500 meters) 15 nautical miles (30 km) on aircraft at 1000 feet (300 meters) 9 nautical miles (17 km) on battleship 6 nautical miles (11 km) on destroyer 3 nautical miles (5 km) on submarine |
| Antenna |
Transmitter: Single dipole cross Receiver: Two dipole crosses |
| Accuracy |
200 yards/3 degrees 180 meters/3 degrees |
| Resolution |
160 yards 150 meters |
The British Type 291 was a refinement of the Type 286P using the same antenna. It was fitted to nearly
all British destroyers, escorts, and submarines. It was a simple
design, requiring just a week to install. Later versions had PPI
displays. An earlier trial version, Type 290, was installed on a few ships.
References
The Pacific War Online Encyclopedia © 2008, 2013 by Kent G. Budge. Index
