Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9GRP callsign genealogy
Currently held by Harris Jr, Robert D
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 KD9GRP's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD9GRP.
- Harris Jr, Robert DINgranted 2019-09-10