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

W4RBK

Active

KENTNER, ROBERT B

Location: Huntsville, AL
Class: Advanced
Granted: 2023-08-09
Expires: 2033-11-04
Previous call: WB0NZF
FRN: 0003991734

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Vanity availability

Held

Currently held

W4RBK 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

WB0NZFcancelled· A
KENTNER, ROBERT BALgranted 1995-11-07cancelled 2003-11-04

License history

0 events

No recorded events.

More vanity slots coming available

From Alabama

All →

KQ4UUE 2026-09-09
KG4SUF 2026-09-10
KQ4TEB 2026-09-10
KQ4UQY 2026-09-10
KQ4UVF 2026-09-10

Starting with W4

All →

W4HKO FL · 2026-09-09
W4IDI AL · 2026-09-10
W4YAU TN · 2026-09-10
W4CVH VA · 2026-09-12
W4QDZ NC · 2026-09-13

Full history → Vanity availability → Callsign genealogy →