Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9ES callsign genealogy
Currently held by Ritchey, Paul 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 AD9ES's current licensee, walking backwards.
- Ritchey, Paul AINgranted 2014-10-03cancelled 2024-06-10
Successor callsigns
Callsigns held now by people who previously held AD9ES.
- Ritchey, Paul AINgranted 2024-07-26