Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE6JEN callsign genealogy
Currently held by CALDERON, WILLIARDO 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 KE6JEN's current licensee, walking backwards.
- Trembley, JenniferCAgranted 2018-09-27cancelled 2019-07-23
Successor callsigns
Callsigns held now by people who previously held KE6JEN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE6JEN, oldest first.
- CALDERON, WILLIARDO A CA1994-07-14 → cancelled 2006-07-15
- Trembley, Jennifer CA2019-07-23 active