Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4PXH callsign genealogy
Currently held by GRIFFIN IV, ASHTON T
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 KO4PXH'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 KO4PXH.
- GRIFFIN IV, ASHTON TSCgranted 2023-05-02