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

K0OLD

Active

Umbenhower, Brian J

Location: NIxa, MO
Class: General
Granted: 2018-12-28
Expires: 2029-03-24
Previous call: KC0EYT
FRN: 0018373985

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Vanity availability

Held

Currently held

K0OLD 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

KC0EYTcancelled· G
UMBENHOWER, BRIAN JMOgranted 2008-12-30cancelled 2009-03-24

License history

0 events

No recorded events.

More vanity slots coming available

From Missouri

All →

KD0TBI 2026-09-11
KD0TBJ 2026-09-11
KD0TBK 2026-09-11
KD0TBL 2026-09-11
KD0TBM 2026-09-11

Starting with K0

All →

K0RTS CO · 2026-09-09
K0WFI KS · 2026-09-10
K0KDD KS · 2026-09-17
K0BHM KS · 2026-09-20
K0DO MO · 2026-10-09

Full history → Vanity availability → Callsign genealogy →