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

KW4JM

Active

Marcal, Joao

Location: GREENACRES, FL
Class: Amateur Extra
Granted: 2025-02-08
Expires: 2035-02-08
Previous call: KW4JO
FRN: 0025315268

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

KW4JM 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

KW4JOcancelled· E
Marcal, JoaoFLgranted 2017-05-27cancelled 2025-02-08
KM4RYQcancelled· E
Marcal, JoaoFLgranted 2016-03-04cancelled 2017-05-27

Prior holders later became

NZ4Ractive· E
CARTER, SCOTTNCgranted 2022-09-17

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 KW4

All →

KW4PI SC · 2026-09-21
KW4JAM NC · 2026-10-18
KW4JO FL · 2027-02-08
KW4XC FL · 2027-02-08
KW4GIN TN · 2027-02-19

Full history → Vanity availability → Callsign genealogy →