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

N3LDO callsign genealogy

Currently held by GRANOFSKY, BRIAN J

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 N3LDO's current licensee, walking backwards.

  1. KH6LDOcancelled· G
    MAGUIRE, ROBERT EMDgranted 2003-09-30cancelled 2013-08-02
  2. KA2WXUcancelled· G
    MAGUIRE, ROBERT EHIgranted 1994-12-22cancelled 2003-09-30

Successor callsigns

Callsigns held now by people who previously held N3LDO.

  1. NA3CTactive· E
    MAGUIRE, ROBERT ENVgranted 2017-09-30

All historical holders

Every license row we've seen with the callsign N3LDO, oldest first.

  • GRANOFSKY, BRIAN J MD
    1991-12-24 → cancelled 2003-12-25
  • MAGUIRE, ROBERT E MD
    2013-08-02 → cancelled 2017-09-30
← Back to N3LDO License history →