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

KO7B callsign genealogy

Currently held by LANE, DONALD T

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 KO7B's current licensee, walking backwards.

  1. KC5RBQcancelled· E
    LANE, DONALD TWAgranted 2005-08-25cancelled 2012-05-12

Successor callsigns

Callsigns held now by people who previously held KO7B.

  1. WA7FXOactive· E
    EWING, STEVEN TORgranted 2020-01-28
  2. W7AKRactive· E
    ROEHL, ALAN KAZgranted 2016-10-03

All historical holders

Every license row we've seen with the callsign KO7B, oldest first.

  • EWING, STEVEN T OR
    2000-06-23 → cancelled 2010-04-20
  • LANE, DONALD T WA
    2022-03-08 active