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

N1CI callsign genealogy

Currently held by Martens III, Charles F

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 N1CI's current licensee, walking backwards.

  1. N7PNLcancelled· E
    Martens III, Charles FAZgranted 1993-04-27cancelled 2002-10-16
  2. KB7KQZ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N1CI.

No current licensee on record previously held this callsign.