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

W6MRK

Active

KLEBBA, MARK R

Location: Hollister, CA
Class: Amateur Extra
Granted: 2017-01-24
Expires: 2027-03-27
Previous call: KJ6H
FRN: 0015816432

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

Vanity availability

Held

Currently held

W6MRK is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

KJ6Hactive· E
ANDREWS, TOD WNVgranted 2020-04-02
K9RHactive· E
HARROFF, RONALD NAKgranted 2025-04-08
WA9LAYcancelled· E
HARROFF, RONALD NILgranted 1996-06-10cancelled 2005-06-28

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 W6

All →

W6RNB CA · 2026-09-13
W6BBZ NV · 2026-09-17
W6DXN CA · 2026-09-17
W6SEZ CA · 2026-09-17
W6DZN CA · 2026-09-19

Full history → Vanity availability → Callsign genealogy →