uls-tracker Sign in

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

KO4BTF

Cancelled

Campbell IV, James E

Location: Jackson, TN
Class: Technician
Granted: 2020-02-10
Expires: 2030-02-10
FRN: 0022694749

Sign in to watch

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

Vanity availability

682d

Available on 2028-07-24

KO4BTF cancelled on 2026-07-25. Hold ends in 682 days.

Last held by Campbell IV, James E (TN).

Confidence: High

Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.

Callsign genealogy

Prior holders later became

W4JECactive· T
Campbell IV, James ETNgranted 2026-07-25

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

KG4VBE 2026-09-11
KK4LNP 2026-09-11
KK4LNQ 2026-09-11
KK4LNT 2026-09-11
KK4LNV 2026-09-11

Starting with KO4

KO4UTL FL · 2026-09-13
KO4PTL KY · 2026-09-17
KO4OSB VA · 2026-09-21
KO4TMC FL · 2026-09-21
KO4YVJ FL · 2026-09-24

Full history → Vanity availability → Callsign genealogy →