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

K6IDA callsign genealogy

Currently held by KEEN, WILLARD L

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 K6IDA's current licensee, walking backwards.

  1. KN6IZFcancelled· G
    Fahrney, Douglas BIDgranted 2020-05-27cancelled 2023-07-21

Successor callsigns

Callsigns held now by people who previously held K6IDA.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6IDA, oldest first.

  • KEEN, WILLARD L CA
    2004-05-15 → cancelled 2016-05-17
  • Fahrney, Douglas B ID
    2023-07-21 active