Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9DHM callsign genealogy
Currently held by Mark, Dan 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 K9DHM's current licensee, walking backwards.
- Mark, Dan HOKgranted 2006-09-28cancelled 2006-10-20
Successor callsigns
Callsigns held now by people who previously held K9DHM.
No current licensee on record previously held this callsign.