Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9SUE callsign genealogy
Currently held by WEN, ROBERT
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 N9SUE's current licensee, walking backwards.
- GRIMM, SUSAN JWIgranted 2004-04-20cancelled 2008-11-25
Successor callsigns
Callsigns held now by people who previously held N9SUE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9SUE, oldest first.
- WEN, ROBERT IN1993-03-16 → cancelled 2005-03-17
- GRIMM, SUSAN J WI2018-11-15 active