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

K6BOS callsign genealogy

Currently held by BOSWORTH, CRAIG S

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 K6BOS's current licensee, walking backwards.

  1. WN9Zactive· E
    MC KEE, TIMOTHY RSCgranted 2020-03-13
  2. KO4BAQcancelled· E
    MC KEE, TIMOTHY RSCgranted 2020-01-16cancelled 2020-03-13

Successor callsigns

Callsigns held now by people who previously held K6BOS.

  1. KR4Qactive· E
    BOSWORTH, CRAIG SFLgranted 2022-12-16
  2. WN9Zcancelled· E
    BOSWORTH, CRAIG SCAgranted 2018-01-30cancelled 2018-02-21

All historical holders

Every license row we've seen with the callsign K6BOS, oldest first.

  • BOSWORTH, CRAIG S CA
    2017-09-26 → cancelled 2018-01-30
  • BOSWORTH, CRAIG S FL
    2018-02-21 → cancelled 2022-12-16
← Back to K6BOS License history →