Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8HAO callsign genealogy
Currently held by Griffin, Jack 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 K8HAO's current licensee, walking backwards.
- Griffin, Jack DOHgranted 2019-08-26cancelled 2019-09-21
Successor callsigns
Callsigns held now by people who previously held K8HAO.
No current licensee on record previously held this callsign.