Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0WC callsign genealogy
Currently held by Stember, Michael J
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 AD0WC's current licensee, walking backwards.
- Stember, Michael JCOgranted 2016-10-14cancelled 2016-11-03
Successor callsigns
Callsigns held now by people who previously held AD0WC.
- Stember, Michael JCOgranted 2016-11-22