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

WB2IVU callsign genealogy

Currently held by MERLAU, CHRISTOPHER L

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 WB2IVU's current licensee, walking backwards.

  1. K7IVUactive· G
    HAUSER, DANIEL MPAgranted 2022-08-23
  2. W3IUKcancelled· G
    HAUSER, DANIEL MPAgranted 2010-08-24cancelled 2010-09-11

Successor callsigns

Callsigns held now by people who previously held WB2IVU.

  1. K7IVUcancelled· A
    MERLAU, CHRISTOPHER LAZgranted 2006-12-19cancelled 2008-01-08

All historical holders

Every license row we've seen with the callsign WB2IVU, oldest first.

  • MERLAU, CHRISTOPHER L AZ
    2002-04-29 → cancelled 2006-12-19
  • MERLAU, CHRISTOPHER L AZ
    2008-01-08 → cancelled 2020-01-09