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

K0CA

Active

AHRENS, CLIFFORD H

Location: HANNIBAL, MO
Class: Amateur Extra
Granted: 2017-03-09
Expires: 2027-06-06
Previous call: KI0W
FRN: 0002281160

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

K0CA 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

KI0Wactive· E
Johnston, Jeff RMNgranted 2018-12-14
W0QXRcancelled· E
Johnston, Jeff RMNgranted 2016-09-27cancelled 2018-12-14
KE0KGZcancelled· T
Johnston, Jeff RMNgranted 2016-09-01cancelled 2016-09-27

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 →

K0WFI KS · 2026-09-10
K0KDD KS · 2026-09-17
K0BHM KS · 2026-09-20
K0DO MO · 2026-10-09
K0EHN MN · 2026-10-12

Full history → Vanity availability → Callsign genealogy →