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

N4AMU callsign genealogy

Currently held by HOLSTON SR, ALAN 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 N4AMU's current licensee, walking backwards.

  1. N5AMUcancelled· T
    MCLARTY, NICHOLAS RFLgranted 2022-07-01cancelled 2024-07-09
  2. KC5IUZcancelled· T
    MC LARTY, NICHOLAS RTXgranted 2014-11-14cancelled 2022-07-01
  3. KB8RBF
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4AMU.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4AMU, oldest first.

  • HOLSTON SR, ALAN D FL
    1989-07-18 → cancelled 2001-07-19
  • MCLARTY, NICHOLAS R FL
    2024-07-09 active
← Back to N4AMU License history →