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

AA4FR callsign genealogy

Currently held by ROLL, FREDERICK 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 AA4FR's current licensee, walking backwards.

  1. KT4Jactive· E
    BRYAN JR, JAMES VGAgranted 2021-12-29
  2. AK4OUcancelled· E
    BRYAN JR, JAMES VGAgranted 2011-09-20cancelled 2012-02-18
  3. KK4EHIcancelled· E
    BRYAN JR, JAMES VGAgranted 2011-09-20cancelled 2011-11-30

Successor callsigns

Callsigns held now by people who previously held AA4FR.

  1. KT4Jcancelled· E
    Roll, Frederick JFLgranted 2008-08-12cancelled 2009-09-18
  2. KT4Jcancelled· E
    ROLL, FREDERICK JFLgranted 2006-08-01cancelled 2007-06-26
  3. AF8Dcancelled· E
    ROLL, FREDERICK JFLgranted 2004-06-26cancelled 2004-12-24

All historical holders

Every license row we've seen with the callsign AA4FR, oldest first.

  • ROLL, FREDERICK J FL
    2001-06-05 → cancelled 2004-06-26
  • ROLL, FREDERICK J FL
    2006-01-10 → cancelled 2006-08-01
  • Roll, Frederick J FL
    2007-06-26 → cancelled 2008-08-12
← Back to AA4FR License history →