Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO9E callsign genealogy
Currently held by Echterling, Darren R
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 WO9E's current licensee, walking backwards.
- Echterling, Darren RINgranted 2005-12-01cancelled 2009-08-18
Successor callsigns
Callsigns held now by people who previously held WO9E.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WO9E, oldest first.
- TRUEHL, RAYMOND M WI1990-02-06 → cancelled 2002-03-07
- Echterling, Darren R IN2019-06-07 active