Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE6YEU callsign genealogy
Currently held by SONORA, FRANK J
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 KE6YEU's current licensee, walking backwards.
- SONORA, FRANK JCAgranted 2021-06-30cancelled 2021-12-03
Successor callsigns
Callsigns held now by people who previously held KE6YEU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE6YEU, oldest first.
- SONORA, FRANK J CA2005-06-07 → cancelled 2017-08-31
- SONORA, FRANK J CA2021-12-03 active