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

KG1ZX callsign genealogy

Currently held by Merck, Ryan 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 KG1ZX's current licensee, walking backwards.

  1. N1PBCactive· E
    Coffin, Peter BNMgranted 2021-01-12
  2. KC5PBCcancelled· E
    Coffin, Peter BNMgranted 2020-11-13cancelled 2021-01-12
  3. KG5YLYcancelled· T
    Coffin, Peter BNMgranted 2018-02-27cancelled 2020-11-13

Successor callsigns

Callsigns held now by people who previously held KG1ZX.

  1. KD1Xcancelled· E
    Merck, Ryan DMAgranted 2016-10-21cancelled 2019-11-13
← Back to KG1ZX License history →