Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9OQI callsign genealogy
Currently held by ZEHR, RICHARD S
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 W9OQI's current licensee, walking backwards.
- Eckardt, PaulWIgranted 2020-01-23cancelled 2021-11-13
Successor callsigns
Callsigns held now by people who previously held W9OQI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9OQI, oldest first.
- ZEHR, RICHARD S IL2007-10-27 → cancelled 2019-11-05
- Eckardt, Paul WI2021-11-13 active