Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1MYM callsign genealogy
Currently held by Marchadesch, Mario Y
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 N1MYM's current licensee, walking backwards.
- Marchadesch, Mario YNYgranted 2021-01-05cancelled 2021-01-23
Successor callsigns
Callsigns held now by people who previously held N1MYM.
- RUSTENBURG, WILLIAM CMAgranted 1993-04-20cancelled 2005-04-21