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

KS0W

Active

Serkes, Keith R

Location: Pagosa Springs, CO
Class: Amateur Extra
Granted: 2018-04-24
Expires: 2028-04-24
Previous call: KC0MLH
FRN: 0006584809

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

Vanity availability

Held

Currently held

KS0W 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

KC0MLHcancelled· E
Serkes, Keith RCOgranted 2014-12-23cancelled 2018-04-24
KB4EKLcancelled· G
Serkes, Keith RCOgranted 1995-02-09cancelled 2002-02-26

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

K0RTS 2026-09-09
K7UGT 2026-09-09
W0RMH 2026-09-09
KB7PWB 2026-09-10
KF0RME 2026-09-10

Starting with KS0

All →

KS0SK KS · 2026-09-27
KS0LEH CO · 2026-11-12
KS0KE KS · 2027-07-08
KS0FFL KS · 2028-03-04
KS0RR KS · 2028-04-28

Full history → Vanity availability → Callsign genealogy →