K2KNB Richard E Cetron 198 Haypath Rd Old Bethpage, NY 11804 United States Operator Class EXTRA Previous Callsign Grant Date 01/17/2024 Expire Date 04/12/2034 Codes HAI - Ham Radio - Individual Ads from K2KNB on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of