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

KS6U

Active

Criscione, Marcello

Location: San Jose, CA
Class: Amateur Extra
Granted: 2021-06-25
Expires: 2031-06-25
Previous call: K6CJC
FRN: 0023427131

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

Vanity availability

Held

Currently held

KS6U 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

K6CJCcancelled· E
Criscione, MarcelloCAgranted 2015-02-03cancelled 2021-06-25
AI6EFcancelled· E
Criscione, MarcelloCAgranted 2014-03-20cancelled 2015-02-03
KK6KQPcancelled· E
Criscione, MarcelloCAgranted 2014-03-20cancelled 2014-09-22

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 KS6

All →

KS6J CA · 2026-09-21
KS6BON CA · 2026-10-10
KS6STV CA · 2027-04-10
KS6PKY CA · 2028-03-15
KS6BK AS · 2028-05-16

Full history → Vanity availability → Callsign genealogy →