Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6RDL callsign genealogy
Currently held by LIBUNAO, RAUL 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 K6RDL's current licensee, walking backwards.
- LIBUNAO, RAUL DCAgranted 2014-11-10cancelled 2022-03-12
Successor callsigns
Callsigns held now by people who previously held K6RDL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6RDL, oldest first.
- LLOYD, ROBERT D UT2008-06-11 → cancelled 2020-09-03
- LIBUNAO, RAUL D CA2022-03-12 active