Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SYD callsign genealogy
Currently held by LAWSON, SYD W
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 W4SYD's current licensee, walking backwards.
- LAWSON, SYD WGAgranted 1993-06-08cancelled 2003-05-09
- KD4MUMno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W4SYD.
No current licensee on record previously held this callsign.