Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9STS callsign genealogy
Currently held by Taddei, Bert 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 W9STS's current licensee, walking backwards.
- Taddei, Bert DILgranted 2012-10-17cancelled 2013-06-21
Successor callsigns
Callsigns held now by people who previously held W9STS.
No current licensee on record previously held this callsign.