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

W6XU callsign genealogy

Currently held by Fiden, Joshua C

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 W6XU's current licensee, walking backwards.

  1. AD6XIcancelled· E
    Fiden, Joshua CCAgranted 2001-03-08cancelled 2003-09-16
  2. KG6FMRcancelled· E
    Fiden, Joshua CCAgranted 2001-03-08cancelled 2001-05-11

Successor callsigns

Callsigns held now by people who previously held W6XU.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W6XU, oldest first.

  • PROSKAUER, S PETER CA
    1994-07-16 → cancelled 1997-10-01
  • Fiden, Joshua C CA
    2023-06-23 active
← Back to W6XU License history →