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

K7RUS callsign genealogy

Currently held by NIELSON, RUSSELL

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 K7RUS's current licensee, walking backwards.

  1. KK7LLLcancelled· G
    NIELSON, RUSSELLUTgranted 2023-03-21cancelled 2024-04-06

Successor callsigns

Callsigns held now by people who previously held K7RUS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K7RUS, oldest first.

  • NYBLOM, EARL R AZ
    2010-09-01 → cancelled 2022-11-29
  • NIELSON, RUSSELL UT
    2024-04-06 active