Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0WYQ callsign genealogy
Currently held by Kolacz, Mike
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 KD0WYQ'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 KD0WYQ.
- Kolacz, MikeCOgranted 2013-12-13cancelled 2026-03-07