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

K4KBK

Active

Gallagher, Sean P

Location: Alexandria, VA
Class: Amateur Extra
Granted: 2021-08-06
Expires: 2031-08-06
Previous call: KO4QQY
FRN: 0029388105

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Vanity availability

Held

Currently held

K4KBK 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

KO4QQYcancelled· T
Gallagher, Sean PVAgranted 2021-05-27cancelled 2021-08-06

Prior holders later became

W7CDJexpired· G
HEITLINGER, LESTERFLgranted 1996-06-18cancelled 2008-06-19

License history

0 events

No recorded events.

More vanity slots coming available

From Virginia

All →

KB3ZEV 2026-09-09
KK4LMC 2026-09-09
KK4LMF 2026-09-09
KK4LMX 2026-09-10
KQ4GPU 2026-09-10

Starting with K4

All →

K4HCL FL · 2026-09-09
K4CYG FL · 2026-09-10
K4LWW NC · 2026-09-10
K4ONS NC · 2026-09-10
K4YDD FL · 2026-09-10

Full history → Vanity availability → Callsign genealogy →