Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4LAS callsign genealogy
Currently held by Welker, Kenneth V
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 KO4LAS's current licensee, walking backwards.
- Welker, Kenneth VVAgranted 2015-11-25cancelled 2015-12-15
Successor callsigns
Callsigns held now by people who previously held KO4LAS.
No current licensee on record previously held this callsign.