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

N4NBK

Active

Kerber, William M

Location: Winston Salem, NC
Class: Technician
Granted: 2022-01-25
Expires: 2032-04-20
Previous call: K4WMK
FRN: 0006585558

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Vanity availability

Held

Currently held

N4NBK is held by an active license; it isn't a vanity slot right now.

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

K4WMKcancelled· T
Kerber, William MTNgranted 2008-03-29cancelled 2012-04-20
N4GDKcancelled· T
Kerber, William MTNgranted 2006-12-05cancelled 2008-03-29
KG4RVIcancelled· T
Kerber, William MTNgranted 2002-02-26cancelled 2006-12-05

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

K4LWW 2026-09-10
K4ONS 2026-09-10
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 →