Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KQ4TDI callsign genealogy
Currently held by Wisse, Douglas 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 KQ4TDI'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 KQ4TDI.
- Wisse, Douglas MNYgranted 2024-09-10