Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS5W callsign genealogy
Currently held by LEYVA, OSCAR
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KS5W's current licensee, walking backwards.
- SAMUELSON, KEITH INMgranted 2012-07-13cancelled 2015-08-18
Successor callsigns
Callsigns held now by people who previously held KS5W.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KS5W, oldest first.
- LEYVA, OSCAR TX2004-01-12 → cancelled 2015-07-29
- SAMUELSON, KEITH I NM2025-06-06 active