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

NH7TU callsign genealogy

Currently held by Yee, Richard S

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 NH7TU's current licensee, walking backwards.

  1. KO6HDRcancelled· T
    Yee, RichardCAgranted 2024-12-13cancelled 2024-12-31

Successor callsigns

Callsigns held now by people who previously held NH7TU.

  1. WH6DADcancelled· T
    Yee, Richard SCAgranted 2004-04-24cancelled 2010-12-24

All historical holders

Every license row we've seen with the callsign NH7TU, oldest first.

  • Yee, Richard S HI
    2004-03-31 → cancelled 2004-04-24
  • Yee, Richard S CA
    2010-12-24 → cancelled 2022-12-28
  • YEE, RICHARD CA
    2024-12-31 active