Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE6UPO callsign genealogy
Currently held by YOLO COUNTY AUXILIARY COMMUNICATIONS SERVICE
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 KE6UPO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KE6UPO.
- K6KYUactiveYOLO COUNTY AUXILIARY COMMUNICATIONS SERVICECAgranted 2019-12-04