Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4OLC callsign genealogy
Currently held by WALL, WILLIAM L
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 W4OLC's current licensee, walking backwards.
- Landsperger, AlbertSCgranted 2013-03-19cancelled 2017-02-28
Successor callsigns
Callsigns held now by people who previously held W4OLC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4OLC, oldest first.
- WALL, WILLIAM L GA2003-06-10 → cancelled 2015-09-15
- Landsperger, Albert SC2017-02-28 active