WNYC-FM feeds programs to a newly constituted Educational Radio Network. On an experimental basis, station WNTI 91.9 in Hackettstown, N.J.,WGPA 95.1 in Bethlehem, PA., WPPA 101.9 in Pottsville, PA, and WDFM 91.1 in Universty Park, PA, airs some of our programs on a regular basis.