Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4OR callsign genealogy
Currently held by SOLENBERG, JEREMIAH D
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 KZ4OR's current licensee, walking backwards.
- SOLENBERG, JEREMIAH DGAgranted 2015-07-02cancelled 2024-12-17
Successor callsigns
Callsigns held now by people who previously held KZ4OR.
No current licensee on record previously held this callsign.