Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6YHW callsign genealogy
Currently held by Adolph, John B
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 K6YHW's current licensee, walking backwards.
- Adolph, John BCAgranted 2017-08-16cancelled 2017-09-06
Successor callsigns
Callsigns held now by people who previously held K6YHW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6YHW, oldest first.
- CLEMENTS, MERLE S CA2005-06-28 → cancelled 2016-03-30
- Adolph, John B CA2017-09-06 active