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

K8CTO

Active

Carlson, Kevin H

Location: Siesta Key, FL
Class: Amateur Extra
Granted: 2025-12-23
Expires: 2035-12-23
Previous call: KZ4NR
FRN: 0036095420

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Vanity availability

Held

Currently held

K8CTO 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

KZ4NRcancelled· E
Carlson, Kevin HFLgranted 2024-10-24cancelled 2025-12-23
KQ4WNHcancelled· E
Carlson, Kevin HFLgranted 2024-10-24cancelled 2024-11-25

Prior holders later became

K8EMactive· E
Guilkey, John MOHgranted 2017-12-06

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with K8

All →

K8RD UT · 2026-09-13
K8SOR SC · 2026-10-05
K8FDX MI · 2026-10-17
K8DES CA · 2026-10-22
K8CJQ MI · 2026-10-26

Full history → Vanity availability → Callsign genealogy →