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

KN6CLZ

Cancelled

Osterstock, Mark D

Location: Ladera Ranch, CA
Class: General
Granted: 2019-06-10
Expires: 2029-06-10
FRN: 0028562791

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Vanity availability

Available

Available now

KN6CLZ cleared its 2-year hold on 2022-02-10. Eligible for vanity application.

Last held by Osterstock, Mark D (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 →

Prior holders later became

K6WTAactive· G
Osterstock, Mark DCAgranted 2020-02-11

License history

0 events

No recorded events.

More vanity slots coming available

From California

All →

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

Starting with KN6

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KN6AU CA · 2026-09-21
KN6AW LA · 2026-09-21
KN6DOQ CA · 2026-09-27
KN6KEY CA · 2026-09-27
KN6WSE CA · 2026-09-27

Full history → Vanity availability → Callsign genealogy →