Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AD0AI callsign genealogy
Currently held by Fowler, Robert C
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 AD0AI's current licensee, walking backwards.
- Fowler, Robert CCOgranted 2011-06-23cancelled 2012-05-18
Successor callsigns
Callsigns held now by people who previously held AD0AI.
- Fowler, Robert CFLgranted 2022-08-19