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

K4IYN callsign genealogy

Currently held by Ethridge, John G

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 K4IYN's current licensee, walking backwards.

  1. KJ4IYNcancelled· G
    Ethridge, John GTNgranted 2009-09-29cancelled 2013-08-06
  2. KG4FUOcancelled· G
    Ethridge, John GTNgranted 1999-12-22cancelled 2009-01-16

Successor callsigns

Callsigns held now by people who previously held K4IYN.

No current licensee on record previously held this callsign.

← Back to K4IYN License history →