Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0VKH callsign genealogy
Currently held by HARTOJO, KRISTIANTO
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 N0VKH's current licensee, walking backwards.
- HARTOJO, KRISTIANTOCOgranted 2016-01-12cancelled 2022-01-25
Successor callsigns
Callsigns held now by people who previously held N0VKH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0VKH, oldest first.
- JOHNSON, VALERIE G ND1993-02-02 → cancelled 2005-02-03
- HARTOJO, KRISTIANTO CO2022-01-25 active