Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4RGB callsign genealogy
Currently held by Barker, Michael V
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 N4RGB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4RGB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4RGB, oldest first.
- REGISTER, MARLIN A FL1997-11-04 → cancelled 2009-11-05
- Barker, Michael V TN2021-12-01 active