The 1936 issue of the CT State Register lists WELI, owned by Patrick J. Goode, operating on 930 KHz with 500 watts of power. The 1941 issues reports that they had changed their frequency to 960 KHz.
1974
Front cover of WELI promotional booklet, c. 1940, courtesy of Fred Santore. Additional pages from the booklet below.
1971
1981 Ron Rohmer Promotion
1981
This card from 1947 indicates that WELI had an FM outlet on 95.1 Mhz.