Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4SJ callsign genealogy
Currently held by Ellsworth, Sterling 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 AJ4SJ's current licensee, walking backwards.
- Ellsworth, Sterling MVAgranted 2009-07-27cancelled 2009-08-20
Successor callsigns
Callsigns held now by people who previously held AJ4SJ.
- Ellsworth, Sterling MVAgranted 2019-06-12