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

WB1ART callsign genealogy

Currently held by Erickson, Michael K

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 WB1ART's current licensee, walking backwards.

  1. WA4ABDcancelled· G
    Smolowitz, ArthurFLgranted 2021-03-02cancelled 2021-05-22
  2. KO4LURcancelled· G
    Smolowitz, ArthurFLgranted 2021-02-01cancelled 2021-03-02

Successor callsigns

Callsigns held now by people who previously held WB1ART.

  1. W1WHNcancelled· T
    Erickson, Michael KNCgranted 2015-03-17cancelled 2015-07-07

All historical holders

Every license row we've seen with the callsign WB1ART, oldest first.

  • Erickson, Michael K NY
    2004-01-24 → cancelled 2005-04-26
  • Smolowitz, Arthur FL
    2021-05-22 active
← Back to WB1ART License history →