Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE4GWN callsign genealogy
Currently held by ESCUDERO, 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 KE4GWN's current licensee, walking backwards.
- KE4AEHno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KE4GWN.
- ESCUDERO, SERGIO AFLgranted 2017-09-15cancelled 2018-06-01