uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KF1B callsign genealogy

Currently held by Bonucci, Fabio

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 KF1B's current licensee, walking backwards.

  1. N6QCUcancelled· E
    Barnhart, Wayne HCAgranted 2012-08-24cancelled 2018-04-13
  2. WB6HRA
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KF1B.

  1. K0IXIcancelled· E
    Bonucci, FabioAZgranted 2016-03-25cancelled 2019-11-15

All historical holders

Every license row we've seen with the callsign KF1B, oldest first.

  • EBY, EDWARD S CT
    2002-12-06 → cancelled 2008-02-14
  • Bonucci, Fabio AZ
    2010-07-02 → cancelled 2016-03-25
  • Barnhart, Wayne H CA
    2018-04-13 active
← Back to KF1B License history →