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

KC6THX callsign genealogy

Currently held by ROSE, ANDREW C

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 KC6THX's current licensee, walking backwards.

  1. KC6THZcancelled· T
    ROSE, ANDREW CCAgranted 2011-12-23cancelled 2018-06-19

Successor callsigns

Callsigns held now by people who previously held KC6THX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KC6THX, oldest first.

  • ROSE, JAMES H CA
    2001-03-20 → cancelled 2013-04-03
  • ROSE, ANDREW C CA
    2018-06-19 active