Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8WJW callsign genealogy
Currently held by Warthman, William J
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 K8WJW's current licensee, walking backwards.
- Warthman, William JOHgranted 2007-12-20cancelled 2011-09-16
Successor callsigns
Callsigns held now by people who previously held K8WJW.
No current licensee on record previously held this callsign.