Telstar Syncom 3 Early Bird Anik A1.
The first geosynchronous communication satellite, Syncom 2 was launched in 1963.
On the 19th August, 1964, the Syncom 3 communication satellite was launched.
The first geosynchronous communications satellite was Syncom 2, launched on July 26 1963.
The first communications
satellite placed in a geosynchronous orbit was Syncom 2, launched in 1963.
An immediate antecedent of the geostationary
satellites was the Hughes Aircraft Company's Syncom 2, launched on July 26, 1963.
Shortly after Syncom 3, Intelsat I,
aka Early Bird, was launched on April 6, 1965, and placed in orbit at 28° west longitude.
Syncom 2 revolved around the earth once per day at constant speed,
but because it still had north-south motion special equipment was needed to track it.
After the launches of Telstar, Syncom 3, Early Bird,
Anik A1, and Westar 1, RCA Americom(later GE Americom, now SES Americom) launched Satcom 1 in 1975.