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

AC4MO callsign genealogy

Currently held by MONROE, ROBERT 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 AC4MO's current licensee, walking backwards.

  1. K2QBactive· E
    CIURCZAK Mr., JAMES RNYgranted 2020-08-14
  2. W2JRCactive· T
    COOPER JR, JOHN ROKgranted 2015-04-28
  3. KG5GMUcancelled· T
    COOPER JR, JOHN ROKgranted 2015-03-19cancelled 2015-04-28

Successor callsigns

Callsigns held now by people who previously held AC4MO.

  1. AD4Ycancelled· E
    ORAMA, MIGUELFLgranted 2011-03-15cancelled 2016-03-11

All historical holders

Every license row we've seen with the callsign AC4MO, oldest first.

  • MONROE, ROBERT E FL
    1994-11-01 → cancelled 1998-08-04
  • ORAMA, MIGUEL FL
    2008-10-17 → cancelled 2011-03-15
← Back to AC4MO License history →