Views of the SRTM antenna on the end of a 200 ft. mast during STS-99S99-E-5546 (16 February 2000) --- Shuttle Radar Topography Mission (SRTM) antenna on the end of a 200 foot-long mast continues around-the-clock mapping of Earth. Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/amf-s99e5546/Copy URL to clipboard> DownloadShareTakenFebruary 16, 2000ProducerJSCSize700x467pxPIA Numbers99e5546