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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KN4INN callsign genealogy

Currently held by Given, Jeffrey 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 KN4INN's current licensee, walking backwards.

  1. KN4ZBCcancelled· T
    Given, Jeffrey SNCgranted 2018-01-23cancelled 2019-09-24

Successor callsigns

Callsigns held now by people who previously held KN4INN.

  1. KN4ZBCcancelled· T
    Given, Jeffrey SNCgranted 2018-01-23cancelled 2019-09-24

All historical holders

Every license row we've seen with the callsign KN4INN, oldest first.

  • Given, Jeffrey S NC
    2017-12-20 → cancelled 2018-01-23
  • Given, Jeffrey S NC
    2019-09-24 active
← Back to KN4INN License history →