Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9DTG callsign genealogy
Currently held by Miedema, Matthew A
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 KC9DTG's current licensee, walking backwards.
- Miedema, Matthew AILgranted 2020-10-20cancelled 2020-11-07
Successor callsigns
Callsigns held now by people who previously held KC9DTG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9DTG, oldest first.
- Miedema, Matt A IL2003-04-21 → cancelled 2015-04-22
- Miedema, Matthew A IL2020-11-07 active