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$Richard B. Langley: Re: Q: how to calculate refraction at higher altitudes on land?$

Re: Determining Elevation with an Altimeter
From: Rodney Myrvaagnes
Date: 2002 Mar 1, 13:11 -0500

Excellent. I looked up a USGS bronze survey marker we came across on Roque Island (Eastern Maine) about 20 years ago. The Data shaeet came up with the history of the location, including corrections, different markings, why other places appear higher but really aren't, etc. Thanks for the URL. On Fri, 1 Mar 2002 08:46:44 -0800, Dan Allen wrote: >Thanks! The URL is > >http://www.ngs.noaa.gov/cgi-bin/ds_radius.prl > Rodney Myrvaagnes J36 Gjo/a "Happy is he that taketh thy little ones and dasheth them upon the stones." __Psalm 137

$Richard B. Langley: Re: Q: how to calculate refraction at higher altitudes on land?$

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