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

AF4SC

Active

CAMPBELL, MARK B

Location: LOUISVILLE, KY
Class: Amateur Extra
Granted: 2026-07-31
Expires: 2036-08-22
Previous call: KV4EH
FRN: 0002658532

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Vanity availability

Held

Currently held

AF4SC 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

KV4EHcancelled· E
Campbell, Mark BKYgranted 1998-10-23cancelled 2000-05-02
KF4LQAcancelled· G
CAMPBELL, MARK BKYgranted 1998-10-23cancelled 2000-02-17

License history

0 events

No recorded events.

More vanity slots coming available

From Kentucky

All →

KK4LMJ 2026-09-09
KD4STD 2026-09-10
KK4LMT 2026-09-10
KG4VAS 2026-09-11
KG4VAT 2026-09-11

Starting with AF4

All →

AF4CE GA · 2026-11-16
AF4XM FL · 2026-11-23
AF4AF KY · 2026-12-07
AF4RT TN · 2026-12-21
AF4VT FL · 2026-12-21

Full history → Vanity availability → Callsign genealogy →