Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE5YYM callsign genealogy
Currently held by Vergara, Sergio 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 KE5YYM's current licensee, walking backwards.
- Vergara, Sergio AMSgranted 2008-04-23cancelled 2009-01-29
Successor callsigns
Callsigns held now by people who previously held KE5YYM.
No current licensee on record previously held this callsign.