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

N4MAK callsign genealogy

Currently held by Kelly, Michael 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 N4MAK's current licensee, walking backwards.

  1. KB4MKexpired· A
    KLINGER, MARTIN FFLgranted 2013-09-17cancelled 2025-09-18
  2. WB4SXDcancelled· A
    KLINGER, MARTIN FFLgranted 2006-05-30cancelled 2013-09-17

Successor callsigns

Callsigns held now by people who previously held N4MAK.

  1. NZ4Dactive· E
    Kelly, Michael ANCgranted 2021-10-13

All historical holders

Every license row we've seen with the callsign N4MAK, oldest first.

  • ROBINSON, STEVEN L FL
    1995-03-16 → cancelled 2007-03-17
  • Kelly, Michael A NC
    2010-04-27 → cancelled 2012-01-10
← Back to N4MAK License history →