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

N4RFZ

Expired

MILLER, MICHAEL F

Location: FORT LAUDERDALE, FL
Class: Technician Plus
Granted: 1987-09-29
Expires: 1997-09-29
Previous call: KC4BIK

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Vanity availability

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N4RFZ cleared its 2-year hold on 2001-09-28. Eligible for vanity application.

Last held by MILLER, MICHAEL F (FL).

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

KC4BIK
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

KB1HYE 2026-09-12
KO4UTL 2026-09-13
KQ4RHZ 2026-09-13
KQ4UWU 2026-09-13
KQ4UXF 2026-09-13

Starting with N4

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N4MOC GA · 2026-09-14
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N4PWQ TN · 2026-09-17
N4RIM NC · 2026-09-21
N4XGX SC · 2026-09-21

Full history → Vanity availability → Callsign genealogy →