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

KC4CJ

Active

Jack, James C

Location: Oviedo, FL
Class: Amateur Extra
Granted: 2020-12-08
Expires: 2030-12-08
Previous call: K4XCJ
FRN: 0029883733

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Vanity availability

Held

Currently held

KC4CJ 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

K4XCJcancelled· E
Jack, James CFLgranted 2020-09-29cancelled 2020-12-08
KO4HDWcancelled· G
Jack, James CFLgranted 2020-09-10cancelled 2020-09-29

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 KC4

All →

KC4GIL NJ · 2026-09-14
KC4HTM SC · 2026-09-20
KC4OYJ FL · 2026-09-21
KC4SWK KY · 2026-09-21
KC4ZGF AL · 2026-09-21

Full history → Vanity availability → Callsign genealogy →