Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KO4VK

Active

VALDES FEBLES, YUDIER

Location: Las Vegas, NV
Class: Amateur Extra
Granted: 2023-03-13
Expires: 2033-03-13
Previous call: KQ4END
FRN: 0033056730

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

Vanity availability

Held

Currently held

KO4VK 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

KQ4ENDcancelled· E
VALDES FEBLES, YUDIERFLgranted 2022-11-17cancelled 2023-03-13

Prior holders later became

AD4PWexpired· E
FALL, LAWRENCE RFLgranted 1994-02-08cancelled 2006-02-09

License history

0 events

No recorded events.

More vanity slots coming available

From Nevada

All →

KF7YMZ 2026-09-11
KF7YNA 2026-09-11
KF7YNC 2026-09-11
KF7YND 2026-09-11
KF7YNF 2026-09-11

Starting with KO4

All →

KO4UTL FL · 2026-09-13
KO4PTL KY · 2026-09-17
KO4OSB VA · 2026-09-21
KO4TMC FL · 2026-09-21
KO4YVJ FL · 2026-09-24

Full history → Vanity availability → Callsign genealogy →