Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6BW callsign genealogy
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 KB6BW's current licensee, walking backwards.
- Ward, Burton DCAgranted 2012-07-11cancelled 2013-12-13
Successor callsigns
Callsigns held now by people who previously held KB6BW.
- OPPENHEIMER, MARTIN JAZgranted 1997-10-15cancelled 1999-07-26
All historical holders
Every license row we've seen with the callsign KB6BW, oldest first.
- Ward, Burton D CA2023-11-29 active
- —— → cancelled 1997-10-15