Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4DLK callsign genealogy
Currently held by Renn, Jeffrey C
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 KO4DLK'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 KO4DLK.
- Renn, Jeffrey CFLgranted 2020-07-24