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

K3OI

Active

McCumber, Francine A

Location: PORTLAND, TN
Class: Amateur Extra
Granted: 2021-06-17
Expires: 2031-03-02
Previous call: K3OWZ
FRN: 0003556495

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Vanity availability

Held

Currently held

K3OI 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

K3OWZexpired· G
MARTIN, JOHN WPAgranted 2012-12-04cancelled 2024-12-04
W4KYLactive· T
HENDRIX, KYLE DGAgranted 2025-12-02
KC4UUScancelled· T
HENDRIX, KYLE DGAgranted 2001-04-18cancelled 2006-01-10

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

KG4TWC 2026-09-10
KK4LNE 2026-09-10
KK4LNK 2026-09-10
KQ4TPH 2026-09-10
KQ4UUA 2026-09-10

Starting with K3

All →

K3PCN PA · 2026-09-21
K3KVK PA · 2026-09-28
K3OAX MA · 2026-10-01
K3GZX PA · 2026-10-05
K3VJP PA · 2026-10-09

Full history → Vanity availability → Callsign genealogy →