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

NU2U callsign genealogy

Currently held by UMLAS, MARC E

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 NU2U's current licensee, walking backwards.

  1. AJ4IFcancelled· E
    Umlas, Marc EFLgranted 2005-10-17cancelled 2008-09-23
  2. KI4MEKcancelled· E
    Umlas, Marc EFLgranted 2005-10-17cancelled 2008-05-16

Successor callsigns

Callsigns held now by people who previously held NU2U.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NU2U, oldest first.

  • SOEL, MARGUERITE C NY
    1991-10-08 → cancelled 2003-10-09
  • UMLAS, MARC E FL
    2018-07-31 active