Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5BIT callsign genealogy
Currently held by Brunner, Jonathan D
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 W5BIT's current licensee, walking backwards.
- KF5SRMcancelled10 BitWorksTXgranted 2012-11-13cancelled 2013-11-19
Successor callsigns
Callsigns held now by people who previously held W5BIT.
- Brunner, Jonathan DTXgranted 2020-08-11
All historical holders
Every license row we've seen with the callsign W5BIT, oldest first.
- Brunner, Jonathan D TX2009-09-22 → cancelled 2010-10-19
- 10 BitWorks TX2013-11-19 → cancelled 2026-03-07