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

WB4RC

Active

Crisp, Rudolf W

Location: Inverness, FL
Class: Amateur Extra
Granted: 2025-11-25
Expires: 2035-12-15
Previous call: W3RWC
FRN: 0018866202

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Vanity availability

Held

Currently held

WB4RC 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

W3RWCcancelled· E
Crisp, Rudolf WVAgranted 2009-12-01cancelled 2015-12-15
KJ4MTMcancelled· G
CRISP, RUDOLF WVAgranted 2009-06-15cancelled 2009-12-01

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with WB4

All →

WB4ZXT TN · 2026-09-12
WB4WCR MS · 2026-10-05
WB4IER FL · 2026-10-12
WB4VWZ FL · 2026-10-26
WB4CDD NC · 2026-11-02

Full history → Vanity availability → Callsign genealogy →