Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3MDU callsign genealogy
Currently held by Del Pup, Michele
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 N3MDU's current licensee, walking backwards.
- Del Pup, MicheleNJgranted 2024-09-25cancelled 2025-07-05
Successor callsigns
Callsigns held now by people who previously held N3MDU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3MDU, oldest first.
- ASHBACH, THOMAS S PA2002-02-13 → cancelled 2014-05-06
- Del Pup, Michele NJ2025-07-05 active