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