Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7NRO callsign genealogy
Currently held by RICHARDSON, BRET K
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 N7NRO's current licensee, walking backwards.
- Mayfield, Ross ECAgranted 2014-05-28cancelled 2018-02-06
Successor callsigns
Callsigns held now by people who previously held N7NRO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7NRO, oldest first.
- RICHARDSON, BRET K MT1989-10-10 → cancelled 2001-10-11
- Mayfield, Ross E OR2018-02-06 active