Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB8SL callsign genealogy
Currently held by SINGLETON, ALONZO
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 AB8SL's current licensee, walking backwards.
- SINGLETON, ALONZOMIgranted 2003-03-14cancelled 2004-02-06
Successor callsigns
Callsigns held now by people who previously held AB8SL.
- SINGLETON, ALONZOMIgranted 2013-12-03cancelled 2026-03-07