Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3SLT callsign genealogy
Currently held by DADDARIO, WILLIAM 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 W3SLT's current licensee, walking backwards.
- DADDARIO, WILLIAM TMDgranted 2016-03-17cancelled 2016-04-05
Successor callsigns
Callsigns held now by people who previously held W3SLT.
No current licensee on record previously held this callsign.