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

KS4MMY

Active

Clifton, Sam L

Location: Nixa, MO
Class: Technician
Granted: 2020-11-24
Expires: 2030-11-24
Previous call: KF0CCB
FRN: 0030105522

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

Vanity availability

Held

Currently held

KS4MMY 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

KF0CCBcancelled· T
Clifton, Sam LMOgranted 2020-10-20cancelled 2020-11-24

License history

0 events

No recorded events.

More vanity slots coming available

From Missouri

All →

KD0TBI 2026-09-11
KD0TBJ 2026-09-11
KD0TBK 2026-09-11
KD0TBL 2026-09-11
KD0TBM 2026-09-11

Starting with KS4

All →

KS4FNA OH · 2026-11-23
KS4DS FL · 2027-01-02
KS4AS GA · 2027-01-04
KS4QU FL · 2027-01-18
KS4DO VA · 2027-03-04

Full history → Vanity availability → Callsign genealogy →