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Old 9th Sep 2010, 07:28
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Fitter2
 
Join Date: Jul 2007
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The waveguide at the horn is 4 wavegides in a rectangular array, to give the 'monopulse' error signal. The frequency was 10Ghz (3cm). Now AI17 (3GHz, 10 cm) - that had waveguides like drainpipes.
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