Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4SG callsign genealogy
Currently held by FAGERBURG, ERIC D
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 AJ4SG's current licensee, walking backwards.
- FAGERBURG, ERIC DSCgranted 2001-01-23cancelled 2009-08-18
- N7OLPno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AJ4SG.
No current licensee on record previously held this callsign.