W6MSD BERT C HENDERSON PO BOX 70811 SUNNYVALE, CA 94086-0811 United States Operator Class EXTRA Previous Callsign Grant Date 01/05/2022 Expire Date 01/05/2032 Codes HVIE - Vanity code - Primary Station Preference List Ads from W6MSD on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of