File:Javad Positioning System antenna atop the Washington Monument.jpg

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Summary

Description	English: A device placed on top of the Washington Monument to measure the height as part of the Height Modernization. Description by NOAA: A Javad Positioning System antenna atop the Washington Monument. Looking west with the Lincoln Memorial in the background.
Date	1999
Source	http://www.photolib.noaa.gov/htmls/geod0566.htm
Author	National Oceanic & Atmospheric Administration (NOAA)

References

Washington Monument GPS Height Modernization Project August 17 - 19, 1999

Licensing

This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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