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

N4AMC callsign genealogy

Currently held by LAMB, MARY 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 N4AMC's current licensee, walking backwards.

  1. N2CHPactive· T
    Bruno Jr, Robert oNYgranted 2025-09-06
  2. KD2GCGcancelled· T
    Bruno Jr, Robert oNYgranted 2014-04-07cancelled 2015-08-04

Successor callsigns

Callsigns held now by people who previously held N4AMC.

  1. K0EVDcancelled· T
    LAMB, MARY KAZgranted 2005-06-07cancelled 2010-07-30

All historical holders

Every license row we've seen with the callsign N4AMC, oldest first.

  • LAMB, MARY K IN
    2003-10-21 → cancelled 2005-06-07
  • CRUZ, MEDARDO FL
    2019-11-13 active
← Back to N4AMC License history →