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

K1XY callsign genealogy

Currently held by HENDERSON, BRIAN 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 K1XY's current licensee, walking backwards.

  1. AC4JMactive· E
    MODLIN, JEFFREYFLgranted 2023-02-15
  2. KD4ZNCcancelled· E
    MODLIN, JEFFREYFLgranted 2004-08-10cancelled 2013-02-15

Successor callsigns

Callsigns held now by people who previously held K1XY.

No current licensee on record previously held this callsign.