Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KNO callsign genealogy
Currently held by Devin, Robert D
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 K4KNO's current licensee, walking backwards.
- Devin, Robert DFLgranted 2017-06-21cancelled 2017-09-15
Successor callsigns
Callsigns held now by people who previously held K4KNO.
- Devin, Robert DFLgranted 2026-08-04
All historical holders
Every license row we've seen with the callsign K4KNO, oldest first.
- Leone Jr, Anthony J TN2003-11-21 → cancelled 2016-02-17
- Devin, Robert D FL2017-09-15 → cancelled 2026-08-04