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

AC1JP callsign genealogy

Currently held by DEFRA, LAGROMIS

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 AC1JP's current licensee, walking backwards.

  1. KQ0Oactive· E
    Sullivan, Edward GMNgranted 2023-01-31
  2. AE0SYcancelled· E
    Sullivan, Edward GMNgranted 2015-01-27cancelled 2023-01-31
  3. KC0UGDcancelled· E
    Sullivan, Edward GMNgranted 2015-01-27cancelled 2022-12-16

Successor callsigns

Callsigns held now by people who previously held AC1JP.

  1. WI1Yactive· E
    DEFRA, LAGROMISCTgranted 2020-07-31
← Back to AC1JP License history →