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

K4WDH

Active

HAYES JR, WARREN D

Location: Harwich, MA
Class: Amateur Extra
Granted: 2017-11-03
Expires: 2027-11-03
Previous call: WA4UAU
FRN: 0003812393

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Vanity availability

Held

Currently held

K4WDH 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

WA4UAUcancelled· A
HAYES JR, WARREN Dcancelled 1997-10-07

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 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 →