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

N7TCO callsign genealogy

Currently held by WARREN, RICHARD M

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 N7TCO's current licensee, walking backwards.

  1. KA7VYO
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N7TCO.

No current licensee on record previously held this callsign.