Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0III callsign genealogy
Currently held by KLINGER, JEFF
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 K0III's current licensee, walking backwards.
- Novoa Fernandez-Ande, Jorge DamasoNDgranted 2015-11-06cancelled 2015-11-28
Successor callsigns
Callsigns held now by people who previously held K0III.
- KLINGER, JEFFMOgranted 2022-11-04
All historical holders
Every license row we've seen with the callsign K0III, oldest first.
- KLINGER, JEFF MO2006-07-01 → cancelled 2012-10-19
- Novoa Fernandez-Ande, Jorge Damaso FL2025-09-04 active