Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4UKR callsign genealogy
Currently held by Harris, James C
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 W4UKR's current licensee, walking backwards.
- Petrovskyi, StanSCgranted 2021-10-20cancelled 2021-12-03
Successor callsigns
Callsigns held now by people who previously held W4UKR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4UKR, oldest first.
- Harris, James C GA2006-09-21 → cancelled 2018-12-18
- Petrovskyi, Stan SC2021-12-03 active