Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0SJU callsign genealogy
Currently held by Roeder, Rick
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 W0SJU's current licensee, walking backwards.
- Roeder, RickIAgranted 2019-09-23cancelled 2019-10-16
Successor callsigns
Callsigns held now by people who previously held W0SJU.
No current licensee on record previously held this callsign.