L06-page14 - • Both rapid and long term changes • Small...

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14 Data Processing • Required to remove ‘noise’ and other errors in data, and correct for other survey parameters. • Can be broken into ‘corrections’ and ‘data enhancements’ Diurnal Correction Quiet Day Stormy Day • Time varying magnetic field caused by solar ‘wind’ perturbing ionosphere.
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Unformatted text preview: • Both rapid and long term changes • Small corrections during quiet periods, larger during storms • If too ‘stormy’, survey is discontinued. • Correction data provided by: • Repeat base station measurements or tie lines. • Continuously recording base station....
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This note was uploaded on 01/07/2012 for the course PHYSICS 384 taught by Professor Wei during the Spring '09 term at SUNY Stony Brook.

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