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In the name of "KISS", I can suggest doing as the Swedish army and use both Ridgerunner and Boyds approaches.
Set up a BDC calibrated for standard atmosphere (SAC).
Use a Silva weathermeter or similar and measure pressure/temperature/ wind, look in the datatables and add/substract pre-calculated values based on the measured deviation from SAC.
Works vey well, even when you're getting tired and stupid. Put up a "fill-in-the-blanks" chart and you can doublecheck your calculations should you miss. But you are looking at $80 for your ring and $150 for the weatherstation!
Last edited by sierra22; 01-15-2005 at 04:17 PM.
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