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

N4MDZ callsign genealogy

Currently held by LIPMAN, BLANCHE D

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 N4MDZ's current licensee, walking backwards.

  1. KG4MRWcancelled· T
    DOBLES, LOUIS AFLgranted 2021-02-25cancelled 2024-02-09
  2. N2MDZcancelled· P
    DOBLES, LOUIS AFLgranted 1991-04-23cancelled 2001-03-28
  3. KA2DYJ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4MDZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4MDZ, oldest first.

  • LIPMAN, BLANCHE D VA
    2005-12-07 → cancelled 2017-12-08
  • DOBLES, LOUIS A FL
    2024-02-09 active
← Back to N4MDZ License history →