Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5QJM callsign genealogy
Currently held by Baber, Sean W
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 W5QJM's current licensee, walking backwards.
- Baber, Sean WCOgranted 2021-10-29cancelled 2021-12-03
Successor callsigns
Callsigns held now by people who previously held W5QJM.
- BONAVITA II, FREDERICK WTXgranted 1998-12-30cancelled 2010-12-31
All historical holders
Every license row we've seen with the callsign W5QJM, oldest first.
- Baber, Sean W CO2021-12-03 active
- BONAVITA II, FREDERICK W— → cancelled 1998-12-30