Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9XZ callsign genealogy
Currently held by KITZINGER, ROBERT 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 K9XZ's current licensee, walking backwards.
- Roeber, Rodney BGAgranted 2020-09-16cancelled 2021-01-29
Successor callsigns
Callsigns held now by people who previously held K9XZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9XZ, oldest first.
- KITZINGER, ROBERT J WI1997-11-19 → cancelled 2008-12-19
- SWAIM, FREDERICK M NC2009-01-10 → cancelled 2021-01-12
- Roeber, Rodney B GA2021-01-29 active