The Pacific War Online Encyclopedia
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| Wavelength | 319, 306, 294, or 283 cm |
| Pulse Width | 10-70 microsecond |
| Pulse Repetition Frequency
|
375 Hz |
| Power | 50 kW |
| Range | 125 miles (200 km) aircraft
group |
| Antenna |
6x4 rotatable reflected
dipole array |
| 8800 lb 4000 kg |
|
| Production | 400 sets from 1944-1 |
The Japanese Tachi-18 early
warning
radar (designed during development as the Type B Portable Early
Warning
Device or Chotampa Keika-ki
Otsu,
Ido-yo) was a mobile set resembling the American SCR-270. It
was the most mobile Japanese Army early warning system, intended
to replace the Tachi-7,
but it was introduced too late in the war
to be deployed outside the home islands.
The Taichi-18 was sometimes supplemented by the Taichi-20 for
height finders, operating at around 300 cm wavelength.
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