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

WA4MB

Active

MASSON BOLANOS, RIGOBERTO

Location: HIALEAH, FL
Class: Amateur Extra
Granted: 2020-03-13
Expires: 2030-03-13
Previous call: KJ4YER
FRN: 0020177515

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Vanity availability

Held

Currently held

WA4MB 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

KJ4YERcancelled· E
MASSON BOLANOS, RIGOBERTOFLgranted 2010-09-03cancelled 2020-03-13

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 WA4

All →

WA4OUF VA · 2026-09-28
WA4TWH NC · 2026-10-01
WA4ZHB NC · 2026-10-05
WA4MRP NC · 2026-10-11
WA4JFC FL · 2026-11-01

Full history → Vanity availability → Callsign genealogy →