Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7DBY callsign genealogy
Currently held by COTNER, ROBERT P
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 N7DBY's current licensee, walking backwards.
- Butler, DeborahAZgranted 2025-07-17cancelled 2026-01-23
Successor callsigns
Callsigns held now by people who previously held N7DBY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7DBY, oldest first.
- COTNER, ROBERT P AZ1988-07-19 → cancelled 2000-07-20
- Butler, Deborah AZ2026-01-23 active