Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4TRD callsign genealogy
Currently held by ASTOR, MAX S
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 N4TRD's current licensee, walking backwards.
- ASTOR, MAX SNCgranted 2012-10-29cancelled 2020-06-09
Successor callsigns
Callsigns held now by people who previously held N4TRD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TRD, oldest first.
- WILKINSON, JAMES C FL2008-02-04 → cancelled 2020-04-09
- ASTOR, MAX S NC2020-06-09 active