Callsign: KB4TZK Class: General Name: Williams SR, John L Address: 3785 ARMSTRONG FORD ROAD City: ROCK HILL State: SC Zipcode: 29730 Status: Active Grant Date: 12/28/2017 Expires: 03/10/2028 Uls: FCC Info
Ham call sign KB4TZK in ROCK HILL, SC
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