Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MFB callsign genealogy
Currently held by HERR, RONALD 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 W6MFB's current licensee, walking backwards.
- Benner, Michael FCAgranted 2025-01-03cancelled 2025-01-24
Successor callsigns
Callsigns held now by people who previously held W6MFB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MFB, oldest first.
- HERR, RONALD R HI1989-05-16 → cancelled 2001-05-17
- Benner, Michael F CA2025-01-24 active