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

K7REO callsign genealogy

Currently held by OVERFIELD, RALPH 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 K7REO's current licensee, walking backwards.

  1. KK7DPLcancelled· E
    TATARKA, RICHARD JMTgranted 2022-02-14cancelled 2022-12-20

Successor callsigns

Callsigns held now by people who previously held K7REO.

  1. KU2Kactive· E
    Olsen, RexWAgranted 2020-03-07
  2. WR7EDcancelled· E
    OVERFIELD, RALPH EUTgranted 2007-04-27cancelled 2007-06-05

All historical holders

Every license row we've seen with the callsign K7REO, oldest first.

  • OVERFIELD, RALPH E UT
    1999-03-31 → cancelled 2007-04-27
  • Olsen, Rex WA
    2019-10-27 → cancelled 2020-03-07
  • Tatarka, Richard J MT
    2022-12-20 active
← Back to K7REO License history →