Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ7SF callsign genealogy
Currently held by Zets, Christopher 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 KZ7SF's current licensee, walking backwards.
- Zets, Christopher RNCgranted 2022-10-14cancelled 2023-02-10
Successor callsigns
Callsigns held now by people who previously held KZ7SF.
No current licensee on record previously held this callsign.