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Tachi-1 Searchlight Direction Radar


Specifications:


Wavelength     
150 cm
Pulse width
1-2 microseconds
Pulse repetition frequency      
1000 Hz
Power
10 kW
Range 12 miles (20 km) aircraft
Antenna
Transmitter: Yagi
Receiver: four horizontal Yagis in diamond array with screen reflector
Accuracy Poor
Production About 25 sets from 1943-1


The Tachi-1 was a land-based searchlight direction radar based on the British SLC, for which complete drawings had been captured in Singapore. It failed to generate the specified power and performed poorly.

References

Grunden (2005)
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