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

WK0U callsign genealogy

Currently held by WHITMAN, LARRY D

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 WK0U's current licensee, walking backwards.

  1. N4GYVcancelled· E
    WHITMAN, LARRY DKYgranted 2007-05-15cancelled 2011-06-18

Successor callsigns

Callsigns held now by people who previously held WK0U.

  1. N0AUZactive· E
    RALLS, CARL KMOgranted 2020-09-23

All historical holders

Every license row we've seen with the callsign WK0U, oldest first.

  • RALLS, CARL K MO
    1992-04-28 → cancelled 2000-12-12
  • WHITMAN, LARRY D KY
    2021-03-23 active
← Back to WK0U License history →