Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ5RJS callsign genealogy
Currently held by SABROE, RALPH 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 KZ5RJS's current licensee, walking backwards.
- SABROE, RALPH JNMgranted 2015-09-01cancelled 2015-10-03
Successor callsigns
Callsigns held now by people who previously held KZ5RJS.
No current licensee on record previously held this callsign.