Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6LSD callsign genealogy
Currently held by DONALDSON, LEE S
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 W6LSD's current licensee, walking backwards.
- Dunkerken, StevenCAgranted 2017-09-19cancelled 2017-10-11
Successor callsigns
Callsigns held now by people who previously held W6LSD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6LSD, oldest first.
- DONALDSON, LEE S CA1999-03-25 → cancelled 2011-03-26
- Dunkerken, Steven CA2017-10-11 active