WMUA 91.1 FM is a federally licensed (non-commercial) broadcast facility serving the Connecticut River Valley of Western Massachusetts, Northern Connecticut, and Southern Vermont. Full-time undergraduate students at the University of Massachusetts-Amherst manage WMUA. However, station members can consist of various members of the University (undergraduate and graduate students, faculty and staff), as well as people of the surrounding communities, of which donate their time and efforts to help continue the day-to-day operations of the station. WMUA has been in operation since 1949, when it first started as an AM station. WMUA broadcasts music, news, sports, and public affairs programming.WMUA is a licensed class 'A' broadcast facility. WMUA broadcasts in stereo on FM channel 216 (91.1MHz) as authorized by the Federal Communications Commission, operating with an effective radiated power of 450 watts in both the vertical and horizontal planes.The transmitter and antenna are located on Observatory Way, between the Orchard Hill & Sylvan Residential living areas, also at the University of Massachusetts-Amherst.