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

K4MDM

Active

Martin, Mark D

Location: Weirton, WV
Class: Amateur Extra
Granted: 2022-07-13
Expires: 2032-07-13
Previous call: KG4SMJ
FRN: 0006603849

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Vanity availability

Held

Currently held

K4MDM 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

KG4SMJcancelled· E
Martin, Mark DTNgranted 2002-04-01cancelled 2002-05-10

License history

0 events

No recorded events.

More vanity slots coming available

From West Virginia

All →

KI8JJ 2026-09-10
KB8NPY 2026-09-14
KC8UHL 2026-09-14
N8NLA 2026-09-14
N8OGA 2026-09-14

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 →