Data are in ascii format.For dataset 1 the columns are:Longitude,Latitude,Height (always 0),Sea level anomaly (SLA),SLA error,Data origin (mission).The time in the filename denotes the beginning of the data, and files contain weekly means.For Dataset 2 the columns are: Longitude,Latitude,Height (always 0),Sea level anomaly (SLA).The filename states the region and the month and year of the dataset (YYYYMM).