Silent Key: John Walter Sadler, WB4YPY a past president and member of the McMinn County Amateur Radio Club, age 70, a resident of Sweetwater, TN passed away on Wednesday morning, January 17, 2018 at Fort Sanders Regional Medical Center. He was born on September 22, 1947 in Pittsburg, PA a son of the late John Clement and Helen Hazel Sadler. John was an honorable discharged veteran of the United States Army. He enjoyed golfing, fishing, collecting coins and operating his ham radios. The family will receive friends on Sunday afternoon, January 21, 2018, from 1 to 3 pm prior to the service in the chapel of Companion Funeral Home located on 400 South White Street in Athens.