Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9FJI callsign genealogy
Currently held by Tressler, Joshua A
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 KC9FJI's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC9FJI.
- Tressler, Joshua AINgranted 2004-02-18cancelled 2005-07-02