Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K3DGT callsign genealogy
Currently held by Koontz, Richard D
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 K3DGT's current licensee, walking backwards.
- TILLERY, DONALD GMIgranted 2024-11-14cancelled 2024-12-17
Successor callsigns
Callsigns held now by people who previously held K3DGT.
- TILLERY, DONALD GMIgranted 2025-01-07cancelled 2025-05-13
All historical holders
Every license row we've seen with the callsign K3DGT, oldest first.
- Koontz, Richard D PA2004-12-14 → cancelled 2016-10-05
- TILLERY, DONALD G MI2024-12-17 → cancelled 2025-01-07