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

K6UJI callsign genealogy

Currently held by SAITO, NICHOLAS 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 K6UJI's current licensee, walking backwards.

  1. KN6KDJcancelled· T
    Saito, Nicholas DCAgranted 2020-08-03cancelled 2020-08-25

Successor callsigns

Callsigns held now by people who previously held K6UJI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6UJI, oldest first.

  • WATTSON, WAYNE A CA
    2003-06-26 → cancelled 2015-09-15
  • SAITO, NICHOLAS D CA
    2020-08-25 active