Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL5R callsign genealogy
Currently held by Humphrey, Robbie 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 KL5R's current licensee, walking backwards.
- Humphrey, Robert DAKgranted 2021-07-19cancelled 2021-09-21
Successor callsigns
Callsigns held now by people who previously held KL5R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL5R, oldest first.
- YOUNG, BILL L AK2008-06-20 → cancelled 2020-06-23
- Humphrey, Robbie D KY2021-09-21 active