K1WMC Walter M Callahan 161 Mechanic Street, Apt. 4402, PO BOX 02019 Bellingham, MA 02019 United States Operator Class EXTRA Previous Callsign Grant Date 03/12/2024 Expire Date 01/22/2026 Codes HVIE - Vanity code - Primary Station Preference List Ads from K1WMC on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of