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

KO3U

Active

Brown, David

Location: Elizabeth, PA
Class: Amateur Extra
Granted: 2021-08-17
Expires: 2031-08-17
Previous call: KC3QZH
FRN: 0030402333

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

Vanity availability

Held

Currently held

KO3U 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

KC3QZHcancelled· E
Brown, DavidPAgranted 2021-01-19cancelled 2021-08-17

Prior holders later became

N4XIactive· E
SHIFFLETT, JEFFERY AVAgranted 2024-07-11
K6QTcancelled· E
EDWARDS, SHON RUTgranted 2020-01-15cancelled 2023-03-31
NX5Nactive· E
Browning, DavidARgranted 2019-07-06

License history

0 events

No recorded events.

More vanity slots coming available

From Pennsylvania

All →

KB3HBB 2026-09-10
KB3ZFA 2026-09-10
KB3ZFB 2026-09-10
KC3ZNR 2026-09-10
KC3ZQJ 2026-09-10

Full history → Vanity availability → Callsign genealogy →