Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9HRD callsign genealogy
Currently held by Clark, Robert A
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 K9HRD's current licensee, walking backwards.
- Clark, Robert AFLgranted 2001-08-14cancelled 2003-12-30
Successor callsigns
Callsigns held now by people who previously held K9HRD.
No current licensee on record previously held this callsign.