Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI6MS callsign genealogy
Currently held by Stieber, Marcel
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 AI6MS's current licensee, walking backwards.
- Stieber, MarcelCAgranted 2008-05-05cancelled 2011-10-22
Successor callsigns
Callsigns held now by people who previously held AI6MS.
No current licensee on record previously held this callsign.