Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4SLK callsign genealogy
Currently held by Wardlaw, James E
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 WB4SLK's current licensee, walking backwards.
- Wardlaw, James ETNgranted 2014-05-16cancelled 2014-06-03
Successor callsigns
Callsigns held now by people who previously held WB4SLK.
No current licensee on record previously held this callsign.