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

KF4Q

Active

Busbin, William R

Location: Polk City, FL
Class: Amateur Extra
Granted: 2021-05-05
Expires: 2031-07-28
Previous call: N4SJF
FRN: 0004363362

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Vanity availability

Held

Currently held

KF4Q 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

N4SJFactive· G
Furst, Stevan JFLgranted 2025-03-11
KI4BGOcancelled· T
Furst, Stevan JFLgranted 2024-02-27cancelled 2025-03-11

Prior holders later became

N8VQactive· E
SIMMONS, ROGER CVAgranted 2019-04-13

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 KF4

All →

KF4WUR VA · 2026-10-01
KF4BCO FL · 2026-10-09
KF4WLA FL · 2026-10-11
KF4QOP KY · 2026-11-16
KF4TYA FL · 2026-11-22

Full history → Vanity availability → Callsign genealogy →