Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9STR callsign genealogy
Currently held by SANDBERG, BETTY 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 W9STR's current licensee, walking backwards.
- RAFFERTY, SEAN TILgranted 2016-02-29cancelled 2016-09-03
Successor callsigns
Callsigns held now by people who previously held W9STR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9STR, oldest first.
- SANDBERG, BETTY E IL1997-06-10 → cancelled 2009-06-11
- RAFFERTY, SEAN T TX2026-09-01 active