Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KH6DO callsign genealogy
Currently held by OLSEN, RICHARD N
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 KH6DO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KH6DO.
No current licensee on record previously held this callsign.