Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1FTJ callsign genealogy
Currently held by Arisetyo, Anggoro
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 K1FTJ's current licensee, walking backwards.
- Arisetyo, AnggoroMEgranted 2016-04-27cancelled 2016-05-27
Successor callsigns
Callsigns held now by people who previously held K1FTJ.
No current licensee on record previously held this callsign.