Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AD4SN

Expired

ALSTON, MICHAEL W

Location: LOUISVILLE, KY
Class: Amateur Extra
Granted: 1994-06-10
Expires: 2001-09-17
Previous call: WB4UOP

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Vanity availability

Available

Available now

AD4SN cleared its 2-year hold on 2005-09-16. Eligible for vanity application.

Last held by ALSTON, MICHAEL W (KY).

Confidence: High

Expired licenses get a 2-year FCC renewal grace period followed by the 2-year hold. The date shown accounts for both, so it's the firm release date per §97.19.

Callsign genealogy

Full chain →

Previously held by current licensee

WB4UOP
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From Kentucky

All →

K4OTU 2026-09-14
KD4SWM 2026-09-14
KD4SWN 2026-09-14
KD4SWO 2026-09-14
KD4SWQ 2026-09-14

Starting with AD4

All →

AD4ED GA · 2026-12-03
AD4XA SC · 2027-02-01
AD4WN NC · 2027-03-01
AD4EE FL · 2027-03-11
AD4BT NC · 2027-03-15

Full history → Vanity availability → Callsign genealogy →