Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N4SUH

Expired

WINKLER SR, MICHAEL C

Location: ELGIN, SC
Class: Technician Plus
Granted: 1988-05-03
Expires: 1998-05-03
Previous call: NL7IT

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Vanity availability

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N4SUH cleared its 2-year hold on 2002-05-02. Eligible for vanity application.

Last held by WINKLER SR, MICHAEL C (SC).

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

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Previously held by current licensee

NL7IT
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From South Carolina

All →

KK4LPR 2026-09-16
KQ4HIC 2026-09-17
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KQ4UZX 2026-09-17
W4UKX 2026-09-17

Starting with N4

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Full history → Vanity availability → Callsign genealogy →