Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4LKI callsign genealogy
Currently held by Rubel, Jacob 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 K4LKI's current licensee, walking backwards.
- Rubel, Jacob CFLgranted 2019-06-03cancelled 2019-11-08
Successor callsigns
Callsigns held now by people who previously held K4LKI.
No current licensee on record previously held this callsign.