Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ADI callsign genealogy
Currently held by OSHINSKI, MICHAEL 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 W4ADI's current licensee, walking backwards.
- OSHINSKI, MICHAEL JNCgranted 2023-05-25cancelled 2023-06-22
Successor callsigns
Callsigns held now by people who previously held W4ADI.
- CARROLL, RICKY EVAgranted 2008-08-26cancelled 2017-09-23
All historical holders
Every license row we've seen with the callsign W4ADI, oldest first.
- CARROLL, RICKY E VA2008-08-26 → cancelled 2017-08-31
- OSHINSKI, MICHAEL J NC2023-06-22 active