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

KD4HM

Active

SEALE, WILLIAM E

Location: Annapolis, MD
Class: Advanced
Granted: 2020-04-21
Expires: 2030-04-21
Previous call: K4CHX
FRN: 0005685821

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Vanity availability

Held

Currently held

KD4HM 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

K4CHXactive· E
Kacher, Michael HNCgranted 2025-02-14
KR4AGDcancelled· E
Kacher, Michael HNCgranted 2025-01-07cancelled 2025-02-14

Prior holders later became

K4CHXcancelled· A
SEALE, WILLIAM EMDgranted 2018-11-14cancelled 2020-04-21

License history

0 events

No recorded events.

More vanity slots coming available

From Maryland

All →

KB3INT 2026-09-09
KC3ZRU 2026-09-09
N3BYL 2026-09-09
N3JTJ 2026-09-12
KB3ZFH 2026-09-13

Starting with KD4

All →

KD4STD KY · 2026-09-10
KD4SPY FL · 2026-09-11
KD4SUS VA · 2026-09-14
KD4SUW MI · 2026-09-14
KD4SVG GA · 2026-09-14

Full history → Vanity availability → Callsign genealogy →