Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4DHS callsign genealogy
Currently held by Sanders, Donald H
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 KO4DHS's current licensee, walking backwards.
- Sanders, Donald HTNgranted 2012-09-12cancelled 2012-10-02
Successor callsigns
Callsigns held now by people who previously held KO4DHS.
No current licensee on record previously held this callsign.