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

AC7AP callsign genealogy

Currently held by LO GRASSO, ROBERT C

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 AC7AP's current licensee, walking backwards.

  1. AB6MHactive· E
    WEIMAR JR, NORMAN JTNgranted 2017-03-17
  2. KC9BOGcancelled· E
    WEIMAR JR, NORMAN JCAgranted 2012-01-19cancelled 2017-03-17

Successor callsigns

Callsigns held now by people who previously held AC7AP.

  1. WB6JLTcancelled· E
    LO GRASSO, ROBERT CCAgranted 2002-03-30cancelled 2002-05-24

All historical holders

Every license row we've seen with the callsign AC7AP, oldest first.

  • LO GRASSO, ROBERT C OR
    1999-03-05 → cancelled 2002-03-30
  • HALL, MARTIN J AZ
    2026-03-26 active
← Back to AC7AP License history →