Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3DTC callsign genealogy
Currently held by Coulson Jr, Donald T
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 W3DTC's current licensee, walking backwards.
- Coulson Jr, Donald TPAgranted 2004-01-02cancelled 2009-01-06
- KE3MQno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W3DTC.
- Coulson Jr, Donald TPAgranted 2016-03-08cancelled 2017-04-11