Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9JTW callsign genealogy
Currently held by Noldan, Lars R
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 KC9JTW'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 KC9JTW.
- Noldan, LarsTXgranted 2016-04-27cancelled 2025-12-09