Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5JRZ callsign genealogy
Currently held by Zoch, John R
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 K5JRZ's current licensee, walking backwards.
- ZOCH, JOHN RTXgranted 1992-01-21cancelled 2002-03-21
Successor callsigns
Callsigns held now by people who previously held K5JRZ.
No current licensee on record previously held this callsign.