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

KG6MSU

Cancelled

O Brien, Patrick M

Location: San Jose, CA
Class: Amateur Extra
Granted: 2002-08-05
Expires: 2012-08-05
FRN: 0007497258

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Vanity availability

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KG6MSU cleared its 2-year hold on 2004-09-09. Eligible for vanity application.

Last held by O Brien, Patrick M (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

AE6IMexpired· E
O Brien, Patrick MCAgranted 2014-06-24cancelled 2026-06-25

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 KG6

All →

KG6NES CA · 2026-09-11
KG6NET CA · 2026-09-11
KG6NEV CA · 2026-09-12
KG6NEW CA · 2026-09-12
KG6NEZ CA · 2026-09-12

Full history → Vanity availability → Callsign genealogy →