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

K4FTW callsign genealogy

Currently held by BARNES, RICHARD 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 K4FTW's current licensee, walking backwards.

  1. KB6FTWcancelled· T
    Bonilla, Randy ACAgranted 2018-03-20cancelled 2019-02-22
  2. KB6WSDcancelled· T
    Bonilla, Randy ACAgranted 2017-03-07cancelled 2018-03-20
  3. KM6IJFcancelled· T
    Bonilla, Randy ACAgranted 2017-02-16cancelled 2017-03-07

Successor callsigns

Callsigns held now by people who previously held K4FTW.

  1. N4BCactive· E
    BARNES, RICHARD CVAgranted 2026-07-01

All historical holders

Every license row we've seen with the callsign K4FTW, oldest first.

  • BARNES, RICHARD C VA
    2012-01-24 → cancelled 2016-09-27
  • Bonilla, Randy A CA
    2019-02-22 active
← Back to K4FTW License history →