Star Trek: The Official Fan Club Magazine was the bimonthly magazine of the Official Star Trek Fan Club. Started by Dan Madsen as an unofficial newsletter in 1979, the magazine was authorized by Paramount Pictures in 1982. His company, FANtastic Media, was founded in 1986 to run the club and publish the magazine.

https://memory-alpha.fandom.com/wiki/Star_Trek:_The_Official_Fan_Club_Magazine

The series ran for 99 issues, being renamed to “Star Trek: Communicator” for issue 100.