K6GSP Mark A Tippery 625 Spyglass Dr Red Bluff, CA 96080 United States Operator Class TECHNICIAN Previous Callsign Grant Date 09/01/2018 Expire Date 02/18/2025 Codes HVIE - Vanity code - Primary Station Preference List Ads from K6GSP on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of