Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KH6SI callsign genealogy
Currently held by STARKGRAF JR, WILLIAM P
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 KH6SI's current licensee, walking backwards.
- STARKGRAF JR, WILLIAM PHIgranted 2013-04-17cancelled 2013-05-14
Successor callsigns
Callsigns held now by people who previously held KH6SI.
- RATIANI, NICHOLASHIgranted 1988-01-12cancelled 2000-01-13