Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9NPO callsign genealogy
Currently held by MODEROW, LE ROY E
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 W9NPO's current licensee, walking backwards.
- Witte, EdwardILgranted 2019-06-18cancelled 2019-11-30
Successor callsigns
Callsigns held now by people who previously held W9NPO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9NPO, oldest first.
- MODEROW, LE ROY E IL2007-08-30 → cancelled 2019-11-13
- Witte, Edward IL2019-11-30 active