Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KH6OJ callsign genealogy
Currently held by SIRLEY, ILAN
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 KH6OJ's current licensee, walking backwards.
- MABUTE, DIONICIO RHIgranted 1997-08-13cancelled 2006-08-08
Successor callsigns
Callsigns held now by people who previously held KH6OJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH6OJ, oldest first.
- SIRLEY, ILAN HI1994-05-17 → cancelled 2006-05-18
- MABUTE, DIONICIO R HI2026-06-02 active