Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO6ERH callsign genealogy
Currently held by San Joaquin Public Health Emergency Communications System
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 KO6ERH'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 KO6ERH.
- W6PHSactiveSan Joaquin Public Health Emergency Communications SystemCAgranted 2024-06-04