Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0DZR callsign genealogy
Currently held by Spencer, Thomas C
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 K0DZR's current licensee, walking backwards.
- Spencer, Thomas CCOgranted 2020-03-02cancelled 2020-03-21
Successor callsigns
Callsigns held now by people who previously held K0DZR.
No current licensee on record previously held this callsign.