Confidence: Medium · Source: FCC ULS · As of 2026-09-11

WB0ROK

Cancelled

Cho, Seung

Location: Denver, CO
Class: General
Granted: 2015-06-23
Expires: 2025-06-23
Previous call: KE0ETW
FRN: 0010621530

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Vanity availability

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WB0ROK cleared its 2-year hold on 2018-01-18. Eligible for vanity application.

Last held by Cho, Seung (CO).

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

KE0ETWcancelled· G
CHO, SEUNGCOgranted 2014-10-07cancelled 2015-06-23
WB6KENcancelled· T
Cho, SeungCOgranted 2014-10-07cancelled 2015-06-03
KK6OYLcancelled· T
Cho, SeungCAgranted 2014-09-18cancelled 2014-10-07

Prior holders later became

N0AKXactive· G
Cho, SeungGAgranted 2026-07-28

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

KD0TBG 2026-09-11
KD0TBU 2026-09-11
KD0TBW 2026-09-11
KD0TBX 2026-09-11
KD0TBZ 2026-09-11

Starting with WB0

All →

WB0BLC MN · 2026-09-21
WB0QOG FL · 2026-09-21
WB0LVR MO · 2026-09-24
WB0SLW CO · 2026-09-24
WB0PDR KS · 2026-09-28

Full history → Vanity availability → Callsign genealogy →