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

W4RBX

Active

Sult, Donald B

Location: Murrells Inlet, SC
Class: Amateur Extra
Granted: 2023-03-31
Expires: 2033-03-31
Previous call: KX4PE
FRN: 0022044606

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

Vanity availability

Held

Currently held

W4RBX 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

KX4PEcancelled· E
Sult, Donald BVAgranted 2022-11-01cancelled 2023-03-31
KK4LOTcancelled· E
Sult, Donald BVAgranted 2012-09-14cancelled 2019-01-30

License history

0 events

No recorded events.

More vanity slots coming available

From South Carolina

All →

KQ4URH 2026-09-10
KG4VBH 2026-09-12
KK4LOZ 2026-09-13
KK4LPA 2026-09-13
KK4LPE 2026-09-13

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 →