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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KG6ADQ callsign genealogy

Currently held by Schweighofer, Karl J

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 KG6ADQ's current licensee, walking backwards.

  1. W6EEIcancelled· G
    Schweighofer, Karl JCAgranted 2012-05-30cancelled 2022-01-11

Successor callsigns

Callsigns held now by people who previously held KG6ADQ.

  1. W6EEIcancelled· G
    Schweighofer, Karl JCAgranted 2012-05-30cancelled 2022-01-11

All historical holders

Every license row we've seen with the callsign KG6ADQ, oldest first.

  • Schweighofer, Karl J CA
    2009-11-06 → cancelled 2012-05-30
  • Schweighofer, Karl J CA
    2022-01-11 active