Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AE4TO callsign genealogy
Currently held by Potes, Sergio O
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 AE4TO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AE4TO.
No current licensee on record previously held this callsign.