NOAA is pleased to announce the release of CD-ROMs containing improved geophysical data records from the November 1986—October 1989 Geosat altimeter exact repeat mission. The CD-ROMs may be ordered individually or as a seven CD-ROM set. Each order will be accompanied by a user handbook and data access software. For more information, contact National Ocean Service, NOAA, N/OES11, Satellite and Ocean Dynamics Branch, Rockville, MD 20852; tel. 301-443-8556; telemail NOAA.GEOSAT (Omnet), or National Geographic Data Center, NOAA, E/OC21, User Services Branch, Washington, DC 20235; 202-606-4549; telemail NODC. WDCA (Omnet).