Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KR4JBB

Active

Brewer III, Joseph B

Location: Okeechobee, FL
Class: Technician
Granted: 2021-04-06
Expires: 2031-04-06
Previous call: K3JBB
FRN: 0030359921

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

Vanity availability

Held

Currently held

KR4JBB 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

K3JBBcancelled· T
Brewer III, Joseph BFLgranted 2021-02-17cancelled 2021-04-06
KO4LOEcancelled· T
Brewer III, Joseph BFLgranted 2021-01-27cancelled 2021-02-17

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 KR4

All →

KR4AAB AL · 2027-01-11
KR4ABQ FL · 2027-01-17
KR4BBR FL · 2027-01-17
KR4ACS VA · 2027-01-18
KR4ADZ FL · 2027-01-22

Full history → Vanity availability → Callsign genealogy →