Great Tropic Range (Gc) : The difference in height between tropic higher high water and tropic lower low water. The expression may also be used in its contracted form, tropic range
National Oceanic and Atmospheric Administration NOAA, Tide and Current Glossary, National Ocean Service, CO-OPS, Products and Services N/OPS3, Silver Spring, MD, USA 1999. http://co-ops.nos.noaa.gov/publications/glossary2. pdf, (ND/ Tide and Current - Amer) {830}
