Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB6RMB callsign genealogy
Currently held by Barth, Robert M
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 WB6RMB's current licensee, walking backwards.
- Barth, Robert MCAgranted 2020-08-03cancelled 2020-08-21
Successor callsigns
Callsigns held now by people who previously held WB6RMB.
No current licensee on record previously held this callsign.