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

KK6WS

Cancelled

MARTENSEN, JON W

Location: SANTA ROSA, CA
Class: Amateur Extra
Granted: 2021-02-05
Expires: 2031-04-30
Previous call: N6WEZ
FRN: 0004221792

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Available

Available now

KK6WS cleared its 2-year hold on 2025-04-24. Eligible for vanity application.

Last held by MARTENSEN, JON W (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

N6WEZ
no FCC ULS record on file

Prior holders later became

WA6Mactive· E
MARTENSEN, JON WCAgranted 2023-04-25

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 KK6

All →

KK6RSQ TX · 2026-09-24
KK6PLN KY · 2026-09-26
KK6OXW WA · 2026-10-08
KK6AAB CA · 2026-10-10
KK6AAC CA · 2026-10-10

Full history → Vanity availability → Callsign genealogy →