Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5WLS callsign genealogy
Currently held by MATTHEWS, FREDRICK S
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 K5WLS's current licensee, walking backwards.
- MATTHEWS, FREDRICK STXgranted 1997-12-30cancelled 1999-12-03
Successor callsigns
Callsigns held now by people who previously held K5WLS.
No current licensee on record previously held this callsign.