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

N4MXA

Cancelled

COOL SR, WILLIAM H

Location: CASTLE HAYNE, NC
Class: Amateur Extra
Granted: 2002-05-14
Expires: 2012-08-11
Previous call: KB4MCD
FRN: 0003228608

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Vanity availability

Available

Available now

N4MXA cleared its 2-year hold on 2009-05-18. Eligible for vanity application.

Last held by COOL SR, WILLIAM H (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 →

Previously held by current licensee

KB4MCDactive· G
McDonald, Brian MVAgranted 2022-12-20
KQ4ETNcancelled· T
McDonald, Brian MVAgranted 2022-11-26cancelled 2022-12-20

Prior holders later became

K4ILMactive· E
COOL SR, WILLIAM HNCgranted 2017-03-15

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

KA2OFF 2026-09-09
W2RDU 2026-09-09
K4LWW 2026-09-10
K4ONS 2026-09-10
KG4TPH 2026-09-10

Starting with N4

All →

N4WKB FL · 2026-09-10
N4MOC GA · 2026-09-14
N4YTT KY · 2026-09-14
N4PWQ TN · 2026-09-17
N4RIM NC · 2026-09-21

Full history → Vanity availability → Callsign genealogy →