1975-04-00 The Appalachain Educational Satellite Project ended
1975-10-00 Christian Communications Network (San Diego, part time)
1975-09-30 HBO (Home Box Office) became the first satellite-delivered programming service for the cable industry (PAY)
1975-12-23 Channel 68 Los Angeles signed off
1976-07-01 Showtime on microwave (PAY)
1976-09-00 PRISM (PAY) (originally as Hollywood Home Theater)
1976-09-00 the broadcast network Spanish Information Network (SIN) added on satellite for distribution to broadcast affiliates around the country.
1976-12-17 WTCG (Watch This Channel Grow) channel 17 Atlanta became the second satellite-delivered programing service and the first satellite-delivered broadcast station (or superstation) for the cable industry
1977-00-00 ONTV (PAY) was launched on channel 52's airwaves during the evenings
1977-00-00 KTVU added to satellite for Cox systems
1977-04-27 CBN's Satellite Service was born on satellite and became the third satellite-delivered programming service
1977-06-30 Channel 18 San Bernadino
1977-09-22 the regional Madison Square Garden Sports Network launched a satellite version as a continuation of its network, Madison Square Garden Network, the original name of the USA Network as a distribution service for cable and pay operators to use
1977-12-01 "Pinwheel" was launched on a QUBE cable system (which also launched with 29 channels that same day) channel C-3 in Columbus, Ohio.
1977-13-00 Channel 100 signed off
1977-13-00 Channel 46 Los Angeles signed off