Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KN4DUY

Cancelled

Olsen, William S

Location: Hickory, NC
Class: Technician
Granted: 2017-06-09
Expires: 2027-06-09
FRN: 0026596064

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Available

Available now

KN4DUY cleared its 2-year hold on 2019-07-15. Eligible for vanity application.

Last held by Olsen, William S (NC).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Prior holders later became

N4VDKactive· T
Olsen, William SNCgranted 2017-07-15

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

KG4ULQ 2026-09-11
KG4VAK 2026-09-11
KG4VAL 2026-09-11
KG4VAO 2026-09-11
KG4VAP 2026-09-11

Starting with KN4

All →

KN4ZVG FL · 2026-09-17
KN4LGK GA · 2026-09-21
KN4VXC NC · 2026-09-21
KN4RPM VA · 2026-10-07
KN4GAM GA · 2026-10-12

Full history → Vanity availability → Callsign genealogy →