Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD8PH callsign genealogy
Currently held by Oh, Jin
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 AD8PH'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 AD8PH.
- Oh, JinOHgranted 2025-06-24cancelled 2026-07-21