Callsign: KY4SJ Class: Extra Name: Byun, Soo Duk Address: 309 Mannington Dr City: Morrisville State: NC Zipcode: 27560 Status: Active Grant Date: 07/02/2021 Expires: 07/02/2031 Uls: FCC Info
Ham call sign KY4SJ in Morrisville, NC
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