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

AB3TU

Cancelled

CARLSON, DAVID J

Location: LEONARDTOWN, MD
Class: Amateur Extra
Granted: 2015-10-06
Expires: 2025-12-15
Previous call: KF4FOL
FRN: 0014137970

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Vanity availability

Available

Available now

AB3TU cleared its 2-year hold on 2019-01-28. Eligible for vanity application.

Last held by CARLSON, DAVID J (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 →

Previously held by current licensee

KF4FOLactive· T
Smith, Marcus DKYgranted 2025-04-05
KR4BTNcancelled· T
Smith, Marcus DKYgranted 2025-02-27cancelled 2025-04-05

Prior holders later became

N3DJCactive· E
CARLSON, DAVID JVAgranted 2017-01-28

License history

0 events

No recorded events.

More vanity slots coming available

From Maryland

All →

KB3INT 2026-09-09
KC3ZRU 2026-09-09
N3BYL 2026-09-09
N3JTJ 2026-09-12
KB3ZFH 2026-09-13

Starting with AB3

All →

AB3AQ MD · 2026-10-03
AB3RJ DE · 2026-12-11
AB3FR KY · 2026-12-21
AB3RT MD · 2027-01-06
AB3FL PA · 2027-03-20

Full history → Vanity availability → Callsign genealogy →