Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K4ORL callsign genealogy
Currently held by KOENIG, MELVIN W
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 K4ORL's current licensee, walking backwards.
- Anderson, RobertFLgranted 2021-03-24cancelled 2021-06-04
Successor callsigns
Callsigns held now by people who previously held K4ORL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ORL, oldest first.
- KOENIG, MELVIN W KY2006-02-22 → cancelled 2018-05-22
- Anderson, Robert FL2021-06-04 active