Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1LSJ callsign genealogy
Currently held by JOACHIM, LAWRENCE 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 W1LSJ's current licensee, walking backwards.
- JOACHIM, LAWRENCE SFLgranted 2019-09-20cancelled 2019-10-11
Successor callsigns
Callsigns held now by people who previously held W1LSJ.
No current licensee on record previously held this callsign.