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

K6BX callsign genealogy

Currently held by Sawyer, Thomas R

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 K6BX's current licensee, walking backwards.

  1. KI6YZcancelled· E
    Sawyer, Thomas RCAgranted 2013-03-15cancelled 2018-11-24
  2. KI6YYXcancelled· E
    Sawyer, Thomas RCAgranted 2009-05-01cancelled 2013-03-15

Successor callsigns

Callsigns held now by people who previously held K6BX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6BX, oldest first.

  • ROESSLER, JOHN J CA
    2006-08-08 → cancelled 2018-11-06
  • Sawyer, Thomas R CA
    2018-11-24 active