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

KD4OSO

Cancelled

STONE, STEWART H

Location: OXNARD, CA
Class: Technician Plus
Granted: 1996-03-06
Expires: 2004-05-17
FRN: 0001894161

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Vanity availability

Available

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KD4OSO cleared its 2-year hold on 2002-06-06. Eligible for vanity application.

Last held by STONE, STEWART H (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

KG6BOVactive· E
Stone, Stewart HAZgranted 2024-05-23

License history

0 events

No recorded events.

More vanity slots coming available

From California

All →

AG6QB 2026-09-11
KC6OMJ 2026-09-11
KG6NES 2026-09-11
KG6NET 2026-09-11
KJ6ZPK 2026-09-11

Starting with KD4

All →

KD4SPY FL · 2026-09-11
KD4SUS VA · 2026-09-14
KD4SUW MI · 2026-09-14
KD4SVG GA · 2026-09-14
KD4SVO VA · 2026-09-14

Full history → Vanity availability → Callsign genealogy →