Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA3SB callsign genealogy
Currently held by Schaefer, Robin J
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 AA3SB's current licensee, walking backwards.
- SCHAEFER, ROBIN Jcancelled 1999-01-12
Successor callsigns
Callsigns held now by people who previously held AA3SB.
No current licensee on record previously held this callsign.