Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6OGM callsign genealogy
Currently held by JOHNSON, MATTHEW C
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 N6OGM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N6OGM.
- JOHNSON, MATTHEW CCAgranted 2020-06-23cancelled 2021-04-16
All historical holders
Every license row we've seen with the callsign N6OGM, oldest first.
- JOHNSON, MATTHEW C CA2019-05-29 → cancelled 2020-06-23
- JOHNSON, MATTHEW C CA2023-07-21 active