Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9GR callsign genealogy
Currently held by Porter, Ryan G
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 AD9GR's current licensee, walking backwards.
- Porter, Ryan GILgranted 2025-04-19cancelled 2025-05-01
Successor callsigns
Callsigns held now by people who previously held AD9GR.
- Porter, Ryan GILgranted 2025-06-10