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

N1ZB

Active

Butler, Michael W

Location: Sangerville, ME
Class: Amateur Extra
Granted: 2022-06-07
Expires: 2032-08-20
Previous call: AB1BC
FRN: 0006824148

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Vanity availability

Held

Currently held

N1ZB 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

AB1BCcancelled· E
Butler, Michael WMEgranted 2002-04-02cancelled 2002-08-20
KB1IICcancelled· E
Butler, Michael WMEgranted 2002-04-02cancelled 2002-06-19
KB1IBUcancelled· G
BUTLER, MICHAEL WMEgranted 2002-04-02cancelled 2002-05-02

License history

0 events

No recorded events.

More vanity slots coming available

From Maine

All →

KB1ICB 2026-09-10
KB1YQF 2026-09-13
KB1YQH 2026-09-13
KC1VEC 2026-09-17
KD4TCW 2026-09-21

Starting with N1

All →

N1DWY CT · 2026-09-12
N1SSL FL · 2026-09-13
N1CKM NH · 2026-09-14
N1LTR VA · 2026-09-14
N1NMG MA · 2026-09-14

Full history → Vanity availability → Callsign genealogy →