Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9SRJ callsign genealogy
Currently held by Ulbrich, Casandra 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 K9SRJ's current licensee, walking backwards.
- Ulbrich, Casandra EMIgranted 2010-12-16cancelled 2011-01-04
Successor callsigns
Callsigns held now by people who previously held K9SRJ.
No current licensee on record previously held this callsign.