thumb|The Naval Research Laboratory’s managers for the Timation program and, later, the GPS program: [[Roger L. Easton (left) and Al Bartholomew.]] thumb|Timation 1 (rectangular object in center of photo), launched May 31, 1967, tested in a "piggyback" launch aboard an Air Force Thor-Agena D rocket The Timation satellites were conceived, developed, and launched by the United States Naval Research Laboratory in Washington, D.C. beginning in 1964. The concept of Timation was to broadcast an accurate time reference for use as a ranging signal to receivers on the ground.
thumb|The Naval Research Laboratory’s managers for the Timation program and, later, the GPS program: [[Roger L. Easton (left) and Al Bartholomew.]] thumb|Timation 1 (rectangular object in center of photo), launched May 31, 1967, tested in a "piggyback" launch aboard an Air Force Thor-Agena D rocket The Timation satellites were conceived, developed, and launched by the United States Naval Research Laboratory in Washington, D.C. beginning in 1964. The concept of Timation was to broadcast an accurate time reference for use as a ranging signal to receivers on the ground.
On 31 May 1967, the Timation 1 satellite was launched. This was followed by the Timation 2 (NRL-PL 169) satellite launch in 1969.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).