WEBJun 17, 2016 · [email protected]. 207.774.4561. PORTLAND – Today, Portland Radio Group announced that Portland radio station WGAN (560 AM 105.5 FM 1400 AM) is relaunching its flagship morning program. The restyled show will feature long time WGAN radio personality Ken Altshuler, as well as newly hired co-host Matthew Gagnon, and Olivia Gunn, and ...