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

W4THD

Active

DORSET, THOMAS H

Location: ARLINGTON, VA
Class: Amateur Extra
Granted: 2017-08-22
Expires: 2027-11-03
Previous call: WB4J
FRN: 0008750366

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Vanity availability

Held

Currently held

W4THD 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

WB4Jactive· E
Johnson, Warner BTXgranted 2019-09-09
N4WBJcancelled· E
Johnson, Warner BFLgranted 2003-03-22cancelled 2009-11-24
KG4WOOcancelled· T
Johnson, Warner BFLgranted 2002-12-19cancelled 2003-03-22

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 W4

All →

W4HKO FL · 2026-09-09
W4IDI AL · 2026-09-10
W4YAU TN · 2026-09-10
W4CVH VA · 2026-09-12
W4QDZ NC · 2026-09-13

Full history → Vanity availability → Callsign genealogy →