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

NZ4J

Expired

HAYRINEN, RISTO L

Location: LAKE WORTH, FL
Class: Amateur Extra
Granted: 1995-01-19
Expires: 2005-01-19

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Vanity availability

Unknown

Status unknown

No vanity-slot record on file for NZ4J. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.

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

WZ4Tactive· E
ANDERS JR, STERLING PNCgranted 2025-06-07
KZ4TFcancelled· E
ANDERS JR, STERLING PNCgranted 2025-04-08cancelled 2025-06-07
KR4DAGcancelled· E
ANDERS JR, STERLING PNCgranted 2025-04-08cancelled 2025-05-19

Prior holders later became

KK4NAactive· E
Mc Ginnis, James RFLgranted 2021-04-09
W3LNXcancelled· E
Herbert III, Frederick SSCgranted 2008-02-05cancelled 2009-01-21

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4HCL 2026-09-09
KG4UZU 2026-09-09
KG4UZX 2026-09-09
KK4LMR 2026-09-09
W3EFZ 2026-09-09

Starting with NZ4

All →

NZ4CM NC · 2026-11-16
NZ4P TN · 2027-08-26

Full history → Vanity availability → Callsign genealogy →