Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4XDN callsign genealogy
Currently held by ANDREWS, MICHAEL D
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 N4XDN's current licensee, walking backwards.
- RUTHERFORD, MATTHEW CSCgranted 2022-06-01cancelled 2026-02-18
Successor callsigns
Callsigns held now by people who previously held N4XDN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4XDN, oldest first.
- ANDREWS, MICHAEL D SC2009-05-01 → cancelled 2021-07-21
- RUTHERFORD, MATTHEW C SC2026-02-18 active