Definitions for "ESSA"
The first series of operational meteorological satellites launched by the United States. Based on the earlier TIROS series of satellites, the nine satellites launched between 1966 and 1969 are often referred to as the TIROS Operational System.
Keywords:  ssa, withdrawn, amendment, mid, favor
Extended System Service Amendment. Withdrawn in favor of SSA 1 in mid 1990.
Environmental Science Service Administration, replaced by NOAA (National Oceanic and Atmospheric Administration) in 1970
an integrated and interactive computer tool for analysing RNA secondary structure