Altitudes and contests

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Original poster: "Lau, Gary by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Gary.Lau-at-hp-dot-com>

With regard to the mini coil competition, the contest rules stipulate that 
a streamer length derating figure will be applied to entries at greater 
than 1000 feet above sea level.  I found a link at the USGS web site that 
may help contestants find the altitude of their locations.  See 
http://geonames.usgs.gov/pls/gnis/web_query.gnis_web_query_form.  Under 
Feature Name, put your city, and enter your state in the drop-down 
menu.  Leave the Feature Type field blank, and Send Query.  It will return 
a list of features for which data exists.  Not all features list 
elevations, so you'll have to choose the feature closest to you that lists 
an altitude.

Terry, did you ever arrive at an altitude-based derating formula?

Gary Lau
MA, USA (elevation 157 feet)