Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9IOW callsign genealogy
Currently held by Milwaukee Latin Radio Group
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 KD9IOW'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 KD9IOW.
- W9MLRactiveMilwaukee Latin Radio GroupWIgranted 2017-05-31