Confidence: Medium · Source: FCC ULS · As of 2026-10-26
W4SFJ callsign genealogy
Currently held by Jenkins, Summer F
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 W4SFJ's current licensee, walking backwards.
- Jenkins, Summer FFLgranted 2026-09-15cancelled 2026-10-09
Successor callsigns
Callsigns held now by people who previously held W4SFJ.
No current licensee on record previously held this callsign.