Confidence: Medium · Source: FCC ULS · As of 2026-09-10

N1SWK

Cancelled

Mathis, Ronald G

Location: Springfield, MO
Class: Amateur Extra
Granted: 2015-06-02
Expires: 2025-06-02
FRN: 0002285344

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Vanity availability

Available

Available now

N1SWK cleared its 2-year hold on 2020-11-01. Eligible for vanity application.

Last held by Mathis, Ronald G (MO).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Prior holders later became

W0RGMactive· E
Mathis, Ronald GMOgranted 2018-11-02

License history

0 events

No recorded events.

More vanity slots coming available

From Missouri

All →

KD0TBI 2026-09-11
KD0TBJ 2026-09-11
KD0TBK 2026-09-11
KD0TBL 2026-09-11
KD0TBM 2026-09-11

Starting with N1

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Full history → Vanity availability → Callsign genealogy →