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

KS4RAM

Active

Mattheis, Sean

Location: Peachtree Corners, GA
Class: Technician
Granted: 2026-07-24
Expires: 2036-07-24
Previous call: KR4NLZ
FRN: 0037897519

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

Vanity availability

Held

Currently held

KS4RAM 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

KR4NLZcancelled· T
Mattheis, SeanGAgranted 2026-07-01cancelled 2026-07-24

License history

0 events

No recorded events.

More vanity slots coming available

From Georgia

All →

KG6NEC 2026-09-09
KG4VAA 2026-09-10
KK4LOC 2026-09-11
KK4LOG 2026-09-11
KK4LOH 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 →