Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4MXB callsign genealogy
Currently held by PETSCH, GARY R
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 N4MXB's current licensee, walking backwards.
- Beauchamp, MichealGAgranted 2023-06-24cancelled 2024-04-16
Successor callsigns
Callsigns held now by people who previously held N4MXB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4MXB, oldest first.
- PETSCH, GARY R KY1999-02-20 → cancelled 2000-07-03
- Beauchamp, Micheal GA2024-04-16 active