Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE5SJ callsign genealogy
Currently held by WOLF, FREDERICK 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 KE5SJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KE5SJ.
No current licensee on record previously held this callsign.