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

AI4ZF

Cancelled

Ruhl, Donald J

Location: Naples, FL
Class: Amateur Extra
Granted: 2007-06-18
Expires: 2017-06-18
FRN: 0016613192

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Vanity availability

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AI4ZF cleared its 2-year hold on 2010-03-11. Eligible for vanity application.

Last held by Ruhl, Donald J (FL).

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

N6FIcancelled· E
Ruhl, Donald JFLgranted 2008-03-11cancelled 2009-03-27

License history

0 events

No recorded events.

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From Florida

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Full history → Vanity availability → Callsign genealogy →