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

K1FU callsign genealogy

Currently held by BARTER, JON E

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 K1FU's current licensee, walking backwards.

  1. KD2TGBcancelled· E
    Lawn, Michael DNYgranted 2020-01-06cancelled 2021-05-25

Successor callsigns

Callsigns held now by people who previously held K1FU.

  1. KB1VWCactive· E
    Harris, Stephen MMAgranted 2019-05-04
  2. W7ALZactive· E
    Lord, Andrew MWAgranted 2016-12-30

All historical holders

Every license row we've seen with the callsign K1FU, oldest first.

  • BARTER, JON E AL
    2006-12-07 → cancelled 2014-03-12
  • Lord, Andrew M WA
    2016-04-01 → cancelled 2016-12-30
  • Harris, Stephen M MA
    2019-02-14 → cancelled 2019-05-04
  • Lawn, Michael NY
    2021-05-25 active