Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6CH callsign genealogy
Currently held by DAVIS, RUSSELL W
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 K6CH's current licensee, walking backwards.
- Coronado Jr, Rudolph KNCgranted 2001-11-20cancelled 2007-05-08
Successor callsigns
Callsigns held now by people who previously held K6CH.
- DARLING, WILLIAM RHIgranted 2005-04-08cancelled 2007-04-24
All historical holders
Every license row we've seen with the callsign K6CH, oldest first.
- DAVIS, RUSSELL W CA1998-04-20 → cancelled 2002-03-09
- DARLING, WILLIAM R HI2004-03-31 → cancelled 2005-04-08
- Coronado Jr, Rudolph K NC2017-09-20 active