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

W1OSH

Cancelled

Mook, Michael R

Location: Sherman Oaks, CA
Class: Technician
Granted: 2014-04-15
Expires: 2024-04-15
Previous call: KG7JVV
FRN: 0023429913

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Vanity availability

Available

Available now

W1OSH cleared its 2-year hold on 2018-05-06. Eligible for vanity application.

Last held by Mook, Michael R (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

KG7JVVcancelled· T
Mook, Michael RWAgranted 2014-03-26cancelled 2014-04-15

Prior holders later became

W6RFSactive· T
Mook, Michael RCAgranted 2016-05-06

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 W1

All →

W1RLJ MA · 2026-09-10
W1BEK CT · 2026-09-13
W1GOU NH · 2026-09-21
W1PVC MA · 2026-10-04
W1CEF RI · 2026-10-12

Full history → Vanity availability → Callsign genealogy →