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

KD4MC

Active

CALLAM, MICHAEL E

Location: FOUR OAKS, NC
Class: Amateur Extra
Granted: 2024-11-13
Expires: 2034-12-02
Previous call: KD4UJC
FRN: 0005799929

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Vanity availability

Held

Currently held

KD4MC 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

KD4UJCcancelled· E
CALLAM, MICHAEL ENCgranted 2008-08-15cancelled 2014-12-02
W4JRZactive· G
Zimmerman, Justin RTNgranted 2025-08-23
KM4MPJcancelled· G
Zimmerman, Justin RTNgranted 2015-08-14cancelled 2015-09-15

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 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 →