Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4JR callsign genealogy
Currently held by Hall, Christopher L
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 KZ4JR's current licensee, walking backwards.
- Hall, Christopher LVAgranted 2022-05-11cancelled 2024-07-16
Successor callsigns
Callsigns held now by people who previously held KZ4JR.
- Hall, Christopher LVAgranted 2024-08-06