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

KB3JDH

Cancelled

Markowski, Michael J

Location: Avondale, PA
Class: Amateur Extra
Granted: 2003-01-27
Expires: 2013-01-27
Previous call: KB3JAL
FRN: 0008328536

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Vanity availability

Available

Available now

KB3JDH cleared its 2-year hold on 2011-03-27. Eligible for vanity application.

Last held by Holloway, J David (PA).

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 →

Previously held by current licensee

KB3PULcancelled· T
Holloway, J DavidPAgranted 2007-10-04cancelled 2007-10-23

Prior holders later became

AB3APactive· E
Markowski, Michael JPAgranted 2022-11-01
W3JDHactive· E
Holloway, J DavidMDgranted 2019-02-05

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

Starting with KB3

All →

KB3HBB PA · 2026-09-10
KB3ZFA PA · 2026-09-10
KB3ZFB PA · 2026-09-10
KB3ZFD PA · 2026-09-11
KB3ZFE PA · 2026-09-13

Full history → Vanity availability → Callsign genealogy →