Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1SDX callsign genealogy
Currently held by DANSEREAU, STEVEN P
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 W1SDX's current licensee, walking backwards.
- DANSEREAU, STEVEN PMAgranted 2015-12-22cancelled 2016-01-08
Successor callsigns
Callsigns held now by people who previously held W1SDX.
No current licensee on record previously held this callsign.