The National Geodetic Survey (NGS) issued a notice on Saturday, August 4, 2012 stating that they have determined that the new hybrid geoid model, GEOID12, contains localized errors in Louisiana and Mississippi. Click here for more information.
SubjectStart DateEnd Date Solar Cycle 251/8/20255/17/2026 We are approaching the peak years of the latest solar cycle (the 25th since the phenomenon was tracked), which will peak in 2025.During this [...]