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

KN8U callsign genealogy

Currently held by SMITH, DONALD L

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 KN8U's current licensee, walking backwards.

  1. W8YZHcancelled· E
    YANG, ZHENHAOGAgranted 2017-01-18cancelled 2018-06-26
  2. KE8FMCcancelled· T
    YANG, ZHENHAOMIgranted 2016-11-18cancelled 2017-01-18

Successor callsigns

Callsigns held now by people who previously held KN8U.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KN8U, oldest first.

  • SMITH, DONALD L OH
    2006-03-30 → cancelled 2018-06-05
  • YANG, ZHENHAO NC
    2018-06-26 active