Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0RAD callsign genealogy
Currently held by OSTERLUND, HARTLEY V
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 W0RAD's current licensee, walking backwards.
- Radionov, Vladimir VCAgranted 2014-02-03cancelled 2014-03-22
Successor callsigns
Callsigns held now by people who previously held W0RAD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0RAD, oldest first.
- OSTERLUND, HARTLEY V MN1996-09-11 → cancelled 2008-09-12
- Radionov, Vladimir V CA2024-01-24 active