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

KZ4J

Active

MASSE, GREGORY A

Location: Viera, FL
Class: Amateur Extra
Granted: 2020-01-31
Expires: 2030-01-31
Previous call: K7SY
FRN: 0014696017

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Vanity availability

Held

Currently held

KZ4J 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

K7SYactive· E
Hamilton, Kamiah LNVgranted 2022-02-19
KK7BGLcancelled· E
Hamilton, Kamiah LNVgranted 2021-10-07cancelled 2022-02-19

Prior holders later became

W4HGBcancelled· E
BODENHAMER, HAROLD GNCgranted 2007-02-09cancelled 2014-11-22

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

KD4SPY 2026-09-11
KK4LOA 2026-09-11
KB1HYE 2026-09-12
KO4UTL 2026-09-13
KQ4RHZ 2026-09-13

Starting with KZ4

All →

KZ4FM KY · 2026-09-21
KZ4JU NC · 2026-09-24
KZ4LG GA · 2026-09-28
KZ4FS FL · 2026-10-16
KZ4BO VA · 2026-10-25

Full history → Vanity availability → Callsign genealogy →