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

AB5GH callsign genealogy

Currently held by GROSSMAN, RONALD M

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 AB5GH's current licensee, walking backwards.

  1. WZ5Qactive· E
    Peak, Michael LLAgranted 2023-10-14
  2. KC5CQFcancelled· E
    Peak, Michael LLAgranted 2003-06-10cancelled 2003-12-23

Successor callsigns

Callsigns held now by people who previously held AB5GH.

  1. AF5Qcancelled· E
    GROSSMAN, RONALD MOKgranted 2002-03-21cancelled 2006-02-28
  2. WZ5Qcancelled· E
    GROSSMAN, RONALD MOKgranted 2001-05-19cancelled 2001-07-03

All historical holders

Every license row we've seen with the callsign AB5GH, oldest first.

  • GROSSMAN, RONALD M OK
    1998-04-07 → cancelled 2001-05-19
  • GROSSMAN, RONALD M OK
    2001-07-03 → cancelled 2002-03-21
← Back to AB5GH License history →