Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2BTU callsign genealogy
Currently held by SOKOLOSKI, PAUL M
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 W2BTU's current licensee, walking backwards.
- Jaczuk, BarbaraNJgranted 2021-07-12cancelled 2021-12-10
Successor callsigns
Callsigns held now by people who previously held W2BTU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2BTU, oldest first.
- SOKOLOSKI, PAUL M NJ2006-08-30 → cancelled 2018-11-20
- Jaczuk, Barbara NJ2021-12-10 active