Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7BD callsign genealogy
Currently held by MCMAHON, DONALD 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 N7BD's current licensee, walking backwards.
- MC MAHON, DONALD GORgranted 1998-06-09cancelled 2002-08-06
Successor callsigns
Callsigns held now by people who previously held N7BD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7BD, oldest first.
- HORIAN, RALPH P AZ1996-01-16 → cancelled 2002-07-18
- MCMAHON, DONALD G MO2022-05-10 active