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

K1TGI callsign genealogy

Currently held by Denno, Marc 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 K1TGI's current licensee, walking backwards.

  1. AC1BMactive· E
    MACDONALD, BRUCENHgranted 2020-04-07
  2. N1UCQcancelled· E
    MACDONALD, BRUCENHgranted 2014-12-04cancelled 2020-04-07

Successor callsigns

Callsigns held now by people who previously held K1TGI.

  1. N1RTactive· E
    Denno, Marc WINgranted 2018-01-30