Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3FJB callsign genealogy
Currently held by Bortkiewicz, Feliks 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 W3FJB's current licensee, walking backwards.
- Bortkiewicz, Feliks JPAgranted 2015-12-14cancelled 2017-06-13
Successor callsigns
Callsigns held now by people who previously held W3FJB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3FJB, oldest first.
- Bonnell Jr, Foster J PA2004-06-22 → cancelled 2016-06-23
- Bortkiewicz, Feliks J PA2017-06-13 active