Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KH6SRF callsign genealogy
Currently held by Yoshikawa, Jonathan
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 KH6SRF's current licensee, walking backwards.
- Yoshikawa, JonathanHIgranted 2019-08-07cancelled 2019-10-11
Successor callsigns
Callsigns held now by people who previously held KH6SRF.
No current licensee on record previously held this callsign.