Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K9DIZ callsign genealogy
Currently held by THUMEL, JULIA M
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 K9DIZ's current licensee, walking backwards.
- THUMEL, JULIA MMDgranted 2013-02-04cancelled 2013-03-16
Successor callsigns
Callsigns held now by people who previously held K9DIZ.
No current licensee on record previously held this callsign.