Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3DIY callsign genealogy
Currently held by DARLING, JOHN A
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 N3DIY's current licensee, walking backwards.
- Maudlin, David SPAgranted 2013-05-23cancelled 2013-06-25
Successor callsigns
Callsigns held now by people who previously held N3DIY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3DIY, oldest first.
- DARLING, JOHN A MD1998-12-02 → cancelled 2010-12-03
- Maudlin, David S NC2013-06-25 → cancelled 2025-06-26