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

W3DH

Active

HAMMER, DAVID A

Location: MCDADE, TX
Class: Amateur Extra
Granted: 2016-11-14
Expires: 2027-02-12
Previous call: WJ5B
FRN: 0010870020

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Vanity availability

Held

Currently held

W3DH 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

WJ5Bactive· E
Pointe, Cynthia MSCgranted 2017-12-19
K5CFPcancelled· E
Pointe, Cynthia MTXgranted 2003-05-02cancelled 2007-10-30
KD5VXScancelled· T
Pointe, Cynthia MTXgranted 2003-04-01cancelled 2003-05-02

License history

0 events

No recorded events.

More vanity slots coming available

From Texas

All →

K2UMA 2026-09-10
K9CWO 2026-09-10
KB5SLO 2026-09-10
KD5C 2026-09-10
KD5TUE 2026-09-10

Starting with W3

All →

W3IFX NY · 2026-09-10
W3AHR PA · 2026-09-20
W3YMB PA · 2026-09-21
W3TAL MD · 2026-09-28
W3EOP PA · 2026-10-07

Full history → Vanity availability → Callsign genealogy →