Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9DTC callsign genealogy
Currently held by Christman, David 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 W9DTC's current licensee, walking backwards.
- Christman, David TINgranted 2011-04-05cancelled 2012-05-01
Successor callsigns
Callsigns held now by people who previously held W9DTC.
No current licensee on record previously held this callsign.