Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0PI callsign genealogy
Currently held by Sappington, Brian 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 AD0PI's current licensee, walking backwards.
- Sappington, Brian TMOgranted 2011-08-25cancelled 2015-05-26
Successor callsigns
Callsigns held now by people who previously held AD0PI.
No current licensee on record previously held this callsign.