Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8DTC callsign genealogy
Currently held by Tobias, Dean 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 W8DTC's current licensee, walking backwards.
- Combs, Derek TMIgranted 2020-09-22cancelled 2021-01-30
Successor callsigns
Callsigns held now by people who previously held W8DTC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8DTC, oldest first.
- Tobias, Dean A MI2008-04-29 → cancelled 2020-04-30
- Combs, Derek T MI2021-01-30 active