Syncom 3, the first geostationary communication satellite, is launched. Two months later, it would enable live coverage of the 1964 Summer Olympics.

Syncom 3 was a significant milestone in the history of space exploration and satellite technology. Launched by NASA on August 19, 1964, Syncom 3 was the world’s first geostationary communication satellite. It was part of the Syncom series, which were the first communications satellites placed in geostationary orbit, meaning they remained fixed relative to a point on the Earth’s surface, enabling continuous communication with a specific area.

Purpose: Syncom 3 was designed to provide television broadcast capabilities, particularly to cover the 1964 Tokyo Olympic Games, which was one of its first major uses. It also had the capacity for telephone and other communication services.

Geostationary Orbit: Syncom 3 was positioned over the equator at 180 degrees longitude, directly over the International Date Line. Being in geostationary orbit meant that it orbited the Earth at the same rate as the Earth’s rotation, allowing it to stay in a fixed position relative to the Earth’s surface.

Technology: The satellite was equipped with a transponder capable of transmitting television signals and other communication data. Its successful operation demonstrated the feasibility of using geostationary satellites for global communications.

Impact: Syncom 3 played a critical role in advancing satellite communication technology. Its success paved the way for the development of more sophisticated communication satellites, leading to the modern global communications network.

Design: Syncom 3 was cylindrical, with a diameter of about 71 centimeters (28 inches) and a height of 39 centimeters (15 inches). It weighed 142 kilograms (about 313 pounds) at launch.