Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9RJU callsign genealogy
Currently held by Ulrich, Raymond J
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 N9RJU's current licensee, walking backwards.
- Ulrich, Raymond JWAgranted 2016-11-02cancelled 2016-11-22
Successor callsigns
Callsigns held now by people who previously held N9RJU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9RJU, oldest first.
- COOKSEY, MICHAEL P IL1992-11-17 → cancelled 2004-11-18
- Ulrich, Raymond J WA2016-11-22 active