Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KF4MNE

Active

Crizer Jr, Charles F

Location: Columbus, OH
Class: Amateur Extra
Granted: 2021-10-22
Expires: 2031-12-29
Previous call: N6ZTT
FRN: 0005396999

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Vanity availability

Held

Currently held

KF4MNE 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

N6ZTTexpired· E
WARKENTIN, JEANNINE YIDgranted 2012-08-07cancelled 2024-12-04
KF6UFAcancelled· G
Warkentin, Jeannine YCAgranted 1998-12-17cancelled 2002-11-02

License history

0 events

No recorded events.

More vanity slots coming available

From Ohio

All →

KF8BEJ 2026-09-10
N8KXL 2026-09-10
KD8TCC 2026-09-11
KC8UTL 2026-09-12
KD8TCI 2026-09-13

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 →