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

KC3ZBE

Cancelled

OBRIEN, JOHN A

Location: COCKEYSVILLE, MD
Class: Technician
Granted: 2024-04-30
Expires: 2034-04-30
FRN: 0009384132

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Vanity availability

Available

Available now

KC3ZBE cleared its 2-year hold on 2026-05-18. Eligible for vanity application.

Last held by OBRIEN, JOHN A (MD).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Prior holders later became

KB3DKXactive· T
OBRIEN, JOHN AMDgranted 2024-05-18

License history

0 events

No recorded events.

More vanity slots coming available

From Maryland

All →

N3JTJ 2026-09-12
KB3ZFH 2026-09-13
KC3MJH 2026-09-13
KC3ZPN 2026-09-13
KB3HRU 2026-09-18

Starting with KC3

All →

KC3ZNR PA · 2026-09-10
KC3ZQJ PA · 2026-09-10
KC3MJH MD · 2026-09-13
KC3WYD PA · 2026-09-13
KC3ZPN MD · 2026-09-13

Full history → Vanity availability → Callsign genealogy →