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

W4MDK

Active

KNIGHT, MICHAEL D

Location: CEDARTOWN, GA
Class: Amateur Extra
Granted: 2017-05-20
Expires: 2027-05-20
Previous call: KD4YKX
FRN: 0008169898

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Vanity availability

Held

Currently held

W4MDK 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

KD4YKXcancelled· T
KNIGHT, MICHAEL DGAgranted 2002-12-31cancelled 2007-02-08

License history

0 events

No recorded events.

More vanity slots coming available

From Georgia

All →

KG6NEC 2026-09-09
KG4VAA 2026-09-10
KK4LOC 2026-09-11
KK4LOG 2026-09-11
KK4LOH 2026-09-11

Starting with W4

All →

W4HKO FL · 2026-09-09
W4IDI AL · 2026-09-10
W4YAU TN · 2026-09-10
W4CVH VA · 2026-09-12
W4QDZ NC · 2026-09-13

Full history → Vanity availability → Callsign genealogy →