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

W6MBZ

Cancelled

CAUGHEY, MARK N

Location: San Leandro, CA
Class: Amateur Extra
Granted: 2006-10-25
Expires: 2016-11-26
Previous call: KO6KK
FRN: 0003832318

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Vanity availability

Available

Available now

W6MBZ cleared its 2-year hold on 2012-02-17. Eligible for vanity application.

Last held by CAUGHEY, MARK N (CA).

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

KO6KK
no FCC ULS record on file

Prior holders later became

WX7SJcancelled· E
CAUGHEY, MARKWAgranted 2019-11-26cancelled 2022-02-11

License history

0 events

No recorded events.

More vanity slots coming available

From California

All →

AC2TX 2026-09-10
K6DJM 2026-09-10
KC6JGS 2026-09-10
KC6KGL 2026-09-10
KC6VEU 2026-09-10

Starting with W6

All →

W6RNB CA · 2026-09-13
W6BBZ NV · 2026-09-17
W6DXN CA · 2026-09-17
W6SEZ CA · 2026-09-17
W6DZN CA · 2026-09-19

Full history → Vanity availability → Callsign genealogy →