Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9DTB callsign genealogy
Currently held by Steiner, Daniel C
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 W9DTB's current licensee, walking backwards.
- Steiner, Daniel CINgranted 2018-11-15cancelled 2018-12-11
Successor callsigns
Callsigns held now by people who previously held W9DTB.
No current licensee on record previously held this callsign.