Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7OMI callsign genealogy
Currently held by Ketchum, Charles A
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 N7OMI's current licensee, walking backwards.
- Ketchum, Charles AAZgranted 2024-04-30cancelled 2024-05-18
Successor callsigns
Callsigns held now by people who previously held N7OMI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7OMI, oldest first.
- MAICHEL, VICTOR C MT1990-03-20 → cancelled 2002-03-21
- Ketchum, Charles A AZ2024-05-18 active