Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0ZXO callsign genealogy
Currently held by TANNER, EARL E
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 K0ZXO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held K0ZXO.
- TANNER, EARL EKSgranted 2014-01-11cancelled 2026-04-10