Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8CSL callsign genealogy
Currently held by UNGER, EDMUND A
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 W8CSL's current licensee, walking backwards.
- Ludlow, Clayton SOHgranted 2017-07-11cancelled 2018-03-20
Successor callsigns
Callsigns held now by people who previously held W8CSL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8CSL, oldest first.
- UNGER, EDMUND A MI1991-10-01 → cancelled 2001-06-11
- Ludlow, Clayton S OH2018-03-20 active