Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD9RCL callsign genealogy
Currently held by JONAS, CLARENCE T
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 KD9RCL's current licensee, walking backwards.
- JONAS, CLARENCE TILgranted 2016-11-16cancelled 2016-12-23
Successor callsigns
Callsigns held now by people who previously held KD9RCL.
No current licensee on record previously held this callsign.