Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9RLK callsign genealogy
Currently held by KLINGBEIL, RONALD L
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 W9RLK's current licensee, walking backwards.
- KLINGBEIL, RONALD LWIgranted 2007-01-29cancelled 2016-08-27
Successor callsigns
Callsigns held now by people who previously held W9RLK.
No current licensee on record previously held this callsign.