Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4SV callsign genealogy
Currently held by Borders, Robert E
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 AJ4SV's current licensee, walking backwards.
- Borders, Robert EKYgranted 2004-04-14cancelled 2009-09-22
Successor callsigns
Callsigns held now by people who previously held AJ4SV.
No current licensee on record previously held this callsign.