Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4SJH callsign genealogy
Currently held by WALKER JR, JAMES M
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 W4SJH's current licensee, walking backwards.
- WALKER JR, JAMES MKYgranted 1994-07-15cancelled 2000-02-29
Successor callsigns
Callsigns held now by people who previously held W4SJH.
No current licensee on record previously held this callsign.