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

AA4BK

Cancelled

KEYS III, WILLIAM W

Location: FORT LAUDERDALE, FL
Class: Amateur Extra
Granted: 2000-08-15
Expires: 2010-08-15
Previous call: KS4OA
FRN: 0003136074

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

Vanity availability

Unknown

Status unknown

No vanity-slot record on file for AA4BK. 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

KY4XOcancelled· E
KNOLL, BRIAN FNCgranted 2023-04-28cancelled 2023-05-31
KB4CPUcancelled· E
KNOLL, BRIAN FNCgranted 2023-04-28cancelled 2023-05-04
KQ4HPEcancelled· G
KNOLL, BRIAN FNCgranted 2023-04-05cancelled 2023-04-28

Prior holders later became

K4BJactive· E
KEYS III, WILLIAM WFLgranted 2020-11-25
KK4HMcancelled· E
Mc Coin, Harold DTNgranted 2014-02-19cancelled 2020-01-24

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4HCL 2026-09-09
KG4UZU 2026-09-09
KG4UZX 2026-09-09
KK4LMR 2026-09-09
W3EFZ 2026-09-09

Starting with AA4

All →

AA4NJ KY · 2026-09-28
AA4HU FL · 2027-01-04
AA4CI TN · 2027-02-04
AA4YC FL · 2027-03-15
AA4PL KY · 2027-06-21

Full history → Vanity availability → Callsign genealogy →