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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W9GNI callsign genealogy

Currently held by WITTING, MARTIN J

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 W9GNI's current licensee, walking backwards.

  1. W9GCZcancelled· G
    Lencioni, Gian SILgranted 2018-03-27cancelled 2018-06-16
  2. KD9GNIcancelled· G
    Lencioni, Gian SILgranted 2016-06-24cancelled 2018-03-27

Successor callsigns

Callsigns held now by people who previously held W9GNI.

  1. W4GNIactive· G
    Lencioni, Gian STNgranted 2019-12-06

All historical holders

Every license row we've seen with the callsign W9GNI, oldest first.

  • WITTING, MARTIN J IL
    2005-02-17 → cancelled 2017-04-26
  • Lencioni, Gian S TN
    2018-06-16 → cancelled 2019-12-06