Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ7RTZ callsign genealogy
Currently held by Raetz, John H
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 KJ7RTZ's current licensee, walking backwards.
- Raetz, John HORgranted 2016-05-17cancelled 2016-06-14
Successor callsigns
Callsigns held now by people who previously held KJ7RTZ.
No current licensee on record previously held this callsign.