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

KB4CPU

Cancelled

KNOLL, BRIAN F

Location: CARY, NC
Class: Amateur Extra
Granted: 2023-04-28
Expires: 2033-04-28
Previous call: KQ4HPE
FRN: 0032783730

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Vanity availability

Available

Available now

KB4CPU cleared its 2-year hold on 2025-05-03. Eligible for vanity application.

Last held by KNOLL, BRIAN F (NC).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Previously held by current licensee

KQ4HPEcancelled· G
KNOLL, BRIAN FNCgranted 2023-04-05cancelled 2023-04-28

Prior holders later became

KY4XOcancelled· E
KNOLL, BRIAN FNCgranted 2023-04-28cancelled 2023-05-31

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

K4LWW 2026-09-10
K4ONS 2026-09-10
KG4TPH 2026-09-10
KK4LNB 2026-09-10
KK4LND 2026-09-10

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 →