 In 1966, Campbell helped expand WETA into the radio market, with a WETA radio station going on the air in 1970 at 90.9 FM, which plays mostly classical music, and NPR news programming.In 1971, Campbell retired from the GWETA and WETA-TV as its president, but held the position of Vice President of Community Affairs, which she held until she died.During this time, Campbell helped launch the Children’s Art Festival of the Washington, DC area; and the Elizabeth P. Campbell Lecture Series, which presented broadcasting notables.