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

WU6C callsign genealogy

Currently held by RADIO AMATEUR CONTEST CLUB

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 WU6C's current licensee, walking backwards.

  1. KN6HNBcancelled· E
    Sakaguchi, HiroshiCAgranted 2020-02-10cancelled 2023-10-03

Successor callsigns

Callsigns held now by people who previously held WU6C.

  1. W6BCactive· E
    COMEAU, RANDY PCAgranted 2023-05-23
  2. K4JTMactive· E
    McMahan, John TTNgranted 2021-05-15
  3. N4RFactive· E
    BABCOCK, ROBERT SNCgranted 2018-11-24
  4. W6SKactive· E
    KRESICH, STEVENCAgranted 2017-02-22

All historical holders

Every license row we've seen with the callsign WU6C, oldest first.

  • RADIO AMATEUR CONTEST CLUB CA
    2000-11-14 → cancelled 2012-11-15
  • COMEAU, RANDY P CA
    2012-12-04 → cancelled 2013-08-02
  • BABCOCK, ROBERT S NC
    2015-08-21 → cancelled 2018-11-24
  • McMahan, John T TN
    2020-12-29 → cancelled 2021-05-15
  • Sakaguchi, Hiroshi CA
    2023-10-03 active