Saturation Signal : A radio signal (or radar echo) which exceeds a certain power level fixed by the design of the receiver equipment When a receiver or indicator is "saturated," the limit of its power output has been reached
Intergovernmental Oceanographic Commission IOC technical series 37, Tsunami Glossary (A glossary of terms and acronyms used in the tsunami literature - English), , United Nations Educational, Scientific and Cultural Organization UNESCO, Paris, France 1991. http://unesdoc.unesco.org/images/0008/000885/08853 8eb.pdf, (ND/ Tsunami Sci - Brit) {590}