Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3BM callsign genealogy
Currently held by SLUTTER, CARL G
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 W3BM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W3BM.
- SLUTTER, CARL GAZgranted 1998-08-25cancelled 2000-03-21
All historical holders
Every license row we've seen with the callsign W3BM, oldest first.
- SLUTTER, CARL G AZ2000-03-21 → cancelled 2002-10-30
- MASON, WILLIAM A VA2017-02-14 active
- SLUTTER, CARL G— → cancelled 1998-08-25