Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7RBM callsign genealogy
Currently held by Ball, Robert
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 N7RBM's current licensee, walking backwards.
- Ball, RobertMTgranted 2026-04-18cancelled 2026-06-19
Successor callsigns
Callsigns held now by people who previously held N7RBM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7RBM, oldest first.
- JAMES, JOHN K OR1991-04-23 → cancelled 2003-04-24
- Ball, Robert MT2026-06-19 active