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AAIB Comment in Clued Up
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1st Jul 2012, 08:06
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topoverhaul
Join Date: Aug 2007
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L2 is 1227.60 MHz as opposed to L1 at 1575.42 MHz. Latest satellites will transmit both frequencies and allow a civil dual frequency receiver to correct for ionospheric delay, the largest source of error, without needing to rely on the WAAS signals.
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