WXPN is a non-commercial radio station licensed to the Trustees of the University of Pennsylvania in Philadelphia, Pennsylvania, that airs an adult album alternative (AAA) format. WXPN produces World Cafe, a music program distributed by NPR to non-commercial stations in the United States. The station's call sign, which is often abbreviated to XPN, stands for "Experimental Pennsylvania Network". The station's transmitter is located at the antenna farm complex, in the Roxborough section of Philadelphia.