Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WJ4EVR callsign genealogy
Currently held by Choi, Walter W
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 WJ4EVR's current licensee, walking backwards.
- Choi, Walter WNCgranted 2017-12-20cancelled 2018-01-09
Successor callsigns
Callsigns held now by people who previously held WJ4EVR.
No current licensee on record previously held this callsign.