The three chief meridians (i.e. Pole-to-Pole geographic lines) where IGY research stations took measurements, plus a fourth for additional coverage of the Soviet Union and Southeast Asia. Image courtesy of Ronald Fraser.
With the NOAA 200th Celebration coming to a close at the end of 2007, maintenance of this Web site ceased. Updates to the site are no longer being made.
The three chief meridians (i.e. Pole-to-Pole geographic lines) where IGY research stations took measurements, plus a fourth for additional coverage of the Soviet Union and Southeast Asia. Image courtesy of Ronald Fraser.