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

KX1ZYN callsign genealogy

Currently held by Sanders, Mark D

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 KX1ZYN's current licensee, walking backwards.

  1. KJ7IBLcancelled· T
    Sanders, Mark DWAgranted 2019-07-25cancelled 2019-08-13

Successor callsigns

Callsigns held now by people who previously held KX1ZYN.

No current licensee on record previously held this callsign.