Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0KU callsign genealogy
Currently held by LIEBLING, CHARLES R
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 AD0KU's current licensee, walking backwards.
- LIEBLING, CHARLES RMNgranted 2008-05-15cancelled 2014-10-16
Successor callsigns
Callsigns held now by people who previously held AD0KU.
- LIEBLING, CHARLES RMNgranted 2025-12-16