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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K4NAM callsign genealogy

Currently held by ZIKO, THOMAS R

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 K4NAM's current licensee, walking backwards.

  1. N4HRFactive· E
    Thompson, Richard LTNgranted 2018-01-26
  2. KI4WEGcancelled· E
    Thompson, Richard LTNgranted 2017-03-04cancelled 2018-01-26

Successor callsigns

Callsigns held now by people who previously held K4NAM.

  1. N4HRFcancelled· G
    ZIKO, THOMAS RFLgranted 2013-08-20cancelled 2014-12-30

All historical holders

Every license row we've seen with the callsign K4NAM, oldest first.

  • ZIKO, THOMAS R FL
    2013-05-03 → cancelled 2013-08-20
  • Ziko, Thomas R FL
    2024-10-16 active
← Back to K4NAM License history →