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

N4JFX

Expired

KROELINGER JR, WILLIAM L

Location: JACKSONVILLE, NC
Class: General
Granted: 1988-08-09
Expires: 1998-08-09

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Vanity availability

Unknown

Status unknown

No vanity-slot record on file for N4JFX. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

N4JFFcancelled· G
FULLER, JERRY FSCgranted 2020-01-24cancelled 2021-07-07
N4PYJcancelled· G
FULLER, JERRY FSCgranted 2012-02-24cancelled 2020-01-24
K4PYJcancelled· G
FULLER, JERRY FSCgranted 2008-09-18cancelled 2012-02-24

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

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KG4TPH 2026-09-10
KK4LNB 2026-09-10
KK4LND 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 →