uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N3AMX callsign genealogy

Currently held by GREENBERG, JAY W

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 N3AMX's current licensee, walking backwards.

  1. N3WWLcancelled· E
    GREENBERG, JAY WPAgranted 2018-09-01cancelled 2025-01-17
  2. WV3Oactive· E
    Birdwell, James TSCgranted 2021-11-02
  3. AJ4ERcancelled· E
    Birdwell, James TSCgranted 2007-10-22cancelled 2011-12-16
  4. KJ4ABPcancelled· E
    Birdwell, James TSCgranted 2007-10-22cancelled 2008-01-23

Successor callsigns

Callsigns held now by people who previously held N3AMX.

No current licensee on record previously held this callsign.

← Back to N3AMX License history →