Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0TDD callsign genealogy
Currently held by Dall, Brian R
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 W0TDD's current licensee, walking backwards.
- Dall, Brian RMNgranted 2002-08-09cancelled 2003-09-16
Successor callsigns
Callsigns held now by people who previously held W0TDD.
No current licensee on record previously held this callsign.