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

K3EFS callsign genealogy

Currently held by Schenk, Edward F

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 K3EFS's current licensee, walking backwards.

  1. K7EFScancelled· E
    Schenk, Edward FPAgranted 2018-03-16cancelled 2020-06-13
  2. KC3KOYcancelled· T
    Schenk, Edward FPAgranted 2018-01-16cancelled 2018-03-16

Successor callsigns

Callsigns held now by people who previously held K3EFS.

  1. K3CUactive· E
    Schenk, Edward FPAgranted 2022-07-02
← Back to K3EFS License history →