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

WB6THY callsign genealogy

Currently held by MARTZEN, KENNETH R

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 WB6THY's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held WB6THY.

  1. W6KRMcancelled· G
    MARTZEN, KENNETH RCAgranted 2010-05-18cancelled 2011-03-22