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

K4MD

Active

SIMPKINS, JOE S

Location: CHARLOTTE, NC
Class: Amateur Extra
Granted: 2016-08-12
Expires: 2026-11-04
Previous call: WD4R
FRN: 0014695266

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Vanity availability

Held

Currently held

K4MD 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

WD4Ractive· E
RIPOLL, JULIOFLgranted 2023-09-27
WD4JRcancelled· E
RIPOLL, JULIOFLgranted 1999-11-13cancelled 2003-12-09
WD4JNScancelled· A
RIPOLL, JULIOFLgranted 1996-05-29cancelled 1999-11-13

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

KA2OFF 2026-09-09
W2RDU 2026-09-09
K4LWW 2026-09-10
K4ONS 2026-09-10
KG4TPH 2026-09-10

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 →