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

KK4F

Active

MUDD III, GEORGE T

Location: SUMTER, SC
Class: Amateur Extra
Granted: 2016-09-23
Expires: 2026-11-26
Previous call: KK4QZ
FRN: 0002654903

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

Vanity availability

Held

Currently held

KK4F 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

KK4QZ
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From South Carolina

All →

KQ4URH 2026-09-10
KG4VBH 2026-09-12
KK4LOZ 2026-09-13
KK4LPA 2026-09-13
KK4LPE 2026-09-13

Starting with KK4

All →

KK4LMC VA · 2026-09-09
KK4LMD CA · 2026-09-09
KK4LMF VA · 2026-09-09
KK4LMJ KY · 2026-09-09
KK4LMR FL · 2026-09-09

Full history → Vanity availability → Callsign genealogy →