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

KD4SN

Active

JOHNSON, MICHAEL L

Location: LEXINGTON, KY
Class: Amateur Extra
Granted: 2023-04-18
Expires: 2033-06-29
Previous call: KA4FJR
FRN: 0002672350

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

KD4SN 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

KA4FJR
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From Kentucky

All →

KK4LMJ 2026-09-09
KD4STD 2026-09-10
KK4LMT 2026-09-10
KG4VAS 2026-09-11
KG4VAT 2026-09-11

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 →