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

KB4BWU

Active

Rico, Antonio

Location: Chula Vista, CA
Class: Technician
Granted: 2017-12-22
Expires: 2027-12-22
Previous call: KM6OVC
FRN: 0027022813

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Vanity availability

Held

Currently held

KB4BWU 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

KM6OVCcancelled· T
Rico, AntonioCAgranted 2017-12-04cancelled 2017-12-22

Prior holders later became

N4VURexpired· P
ARTHUR JR, JAMES OGAgranted 1989-05-23cancelled 2001-05-24

License history

0 events

No recorded events.

More vanity slots coming available

From California

All →

KC6OZS 2026-09-09
KD6MWG 2026-09-09
KG6NDR 2026-09-09
KG6NDX 2026-09-09
KG6NEF 2026-09-09

Starting with KB4

All →

KB4IIB TN · 2026-09-14
KB4CON KY · 2026-09-21
KB4OXL IL · 2026-10-02
KB4CO TN · 2026-10-04
KB4XQ AL · 2026-10-05

Full history → Vanity availability → Callsign genealogy →