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

AB4AT

Active

GIFFORD, DAVID K

Location: Newton, MA
Class: Amateur Extra
Granted: 2019-05-03
Expires: 2029-06-02
Previous call: KB1KNO
FRN: 0006862882

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Vanity availability

Held

Currently held

AB4AT 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

KB1KNOcancelled· E
GIFFORD, DAVID KMAgranted 2003-11-21cancelled 2009-06-02

Prior holders later became

KB4TKEcancelled· E
DEAN, EDWARD BVAgranted 2016-03-22cancelled 2021-08-14

License history

0 events

No recorded events.

More vanity slots coming available

From Massachusetts

All →

K1AFR 2026-09-10
KC1SDV 2026-09-10
W1RLJ 2026-09-10
KB1ITH 2026-09-12
KB1YQO 2026-09-13

Starting with AB4

All →

AB4LC AL · 2026-09-14
AB4BH NC · 2027-01-14
AB4NH TN · 2027-01-17
AB4RM FL · 2027-02-15
AB4N TN · 2027-03-21

Full history → Vanity availability → Callsign genealogy →