Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7EDI callsign genealogy
Currently held by CASTALDI, BRIAN 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 N7EDI's current licensee, walking backwards.
- Yarrow, James PMOgranted 2013-01-11cancelled 2013-02-15
Successor callsigns
Callsigns held now by people who previously held N7EDI.
- Yarrow, James PKSgranted 2025-07-17
All historical holders
Every license row we've seen with the callsign N7EDI, oldest first.
- CASTALDI, BRIAN G MT1989-04-18 → cancelled 2001-04-19
- Yarrow, James P MO2013-02-15 → cancelled 2015-10-09