Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7FI callsign genealogy
Currently held by Waters, James D
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 AD7FI's current licensee, walking backwards.
- Waters, James DWYgranted 2004-04-29cancelled 2005-03-22
Successor callsigns
Callsigns held now by people who previously held AD7FI.
- Waters, James DWYgranted 2025-02-19