Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6MBA callsign genealogy
Currently held by WELLS, WILLIAM C
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 K6MBA's current licensee, walking backwards.
- Arnold, MarcusCAgranted 2013-07-15cancelled 2013-08-06
Successor callsigns
Callsigns held now by people who previously held K6MBA.
All historical holders
Every license row we've seen with the callsign K6MBA, oldest first.
- WELLS, WILLIAM C CA2004-05-06 → cancelled 2007-08-14
- Arnold, Marcus B CA2013-08-06 → cancelled 2015-10-06