Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4RDC callsign genealogy
Currently held by WAGNER, DONALD S
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 KO4RDC's current licensee, walking backwards.
- Wagner, Donald SSCgranted 2020-10-21cancelled 2021-04-24
Successor callsigns
Callsigns held now by people who previously held KO4RDC.
No current licensee on record previously held this callsign.