Which satellite sent television signals across the ocean paving the way for our worldwide communication system?

The satellite that sent television signals across the ocean, paving the way for modern worldwide communication, is Telstar. Launched on July 10, 1962, Telstar was the first active communications satellite and enabled live television broadcasts between the United States and Europe. Its successful transmission marked a significant milestone in satellite communications, leading to the development of more advanced systems that support global communication today.