Confidence: Medium · Source: FCC ULS · As of 2026-09-09
N3MIS callsign genealogy
Currently held by BARTELS, 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 N3MIS's current licensee, walking backwards.
- Destefano, Frank EPAgranted 2010-06-29cancelled 2011-07-09
Successor callsigns
Callsigns held now by people who previously held N3MIS.
All historical holders
Every license row we've seen with the callsign N3MIS, oldest first.
- BARTELS, WILLIAM C MD1992-05-26 → cancelled 2004-05-27
- Destefano, Frank E PA2005-09-20 → cancelled 2010-06-29
- DeStefano 280, Frank E PA2021-07-01 → cancelled 2024-11-22