WRTI

90.1 FM WRTI is a public radio station airing a mix of Classical and Jazz music in Philadelphia, Pennsylvania.  They are owned by Temple University and began as an AM carrier current station that could only be heard on campus.  WRTI (W Radio Training Institute) was founded by John Roberts, a professor of communications at Temple and a long-time anchorman on WFIL-TV.  In 1953 WRTI began broadcasting on FM and over the years have added multiple full-power repeater stations to expand their reach into northeastern Pennsylvania, Delaware and most of southern New Jersey.