Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7CEC callsign genealogy
Currently held by SOBCZYK, EUGENE
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 W7CEC's current licensee, walking backwards.
- Calef, Chris EORgranted 2023-04-18cancelled 2023-05-06
Successor callsigns
Callsigns held now by people who previously held W7CEC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7CEC, oldest first.
- SOBCZYK, EUGENE WA1994-08-17 → cancelled 2006-08-18
- Calef, Chris E OR2023-05-06 active