Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9DKK callsign genealogy
Currently held by Lobner, John 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 KC9DKK'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 KC9DKK.
- Lobner, John RILgranted 2023-11-18cancelled 2024-05-14