Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5ESI callsign genealogy
Currently held by Cisneros, Ernest 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 KC5ESI's current licensee, walking backwards.
- Cisneros, Ernest ATXgranted 2014-04-15cancelled 2014-05-13
Successor callsigns
Callsigns held now by people who previously held KC5ESI.
No current licensee on record previously held this callsign.