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The radar is computer controlled and offers great flexibility in its operation.
The radar can view echoes from 135km to 3400km range, with a resolution of between 15 and 45 km.
The beam width is typically 4 degrees or 100km at mid-range. The radar can unambiguously determine
the velocity of the ionospheric motion up to a maximum of 2500m/s. The standard operating mode is a
16 beam scan every 96 seconds spanning 56 degrees of azimuth and 70 ranges from 135 to 3000 km.
Special programmes can be constructed to give high resolution (approximately 10 seconds) on a subset
of beams. See Greenwald et al. (Space Science Rev., 71 761, 1995) and references therein for
more technical details.
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