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

AB8EY callsign genealogy

Currently held by Grubb, Mark 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 AB8EY's current licensee, walking backwards.

  1. KI8IPcancelled· A
    GRUBB, MARK EOHgranted 1999-05-25cancelled 2000-03-01
  2. KC8IOZcancelled· G
    GRUBB, MARK Ecancelled 1999-05-25

Successor callsigns

Callsigns held now by people who previously held AB8EY.

  1. WM8Gexpired· E
    Grubb, Mark EOHgranted 2010-01-28cancelled 2022-03-26
← Back to AB8EY License history →