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

AA1SH callsign genealogy

Currently held by ABDULRAHIM, MAHDIY K

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 AA1SH's current licensee, walking backwards.

  1. K1SEHcancelled· E
    HILLSON, STEVEN EMAgranted 2018-10-02cancelled 2022-06-28
  2. KA1SGUcancelled· G
    HILLSON, STEVEN EMAgranted 2001-08-28cancelled 2008-12-30

Successor callsigns

Callsigns held now by people who previously held AA1SH.

  1. AB1Mactive· E
    ABDULRAHIM, MAHDIY KCTgranted 2018-10-23

All historical holders

Every license row we've seen with the callsign AA1SH, oldest first.

  • HILLSON, STEVEN E MA
    2022-06-28 active
  • ABDULRAHIM, MAHDIY K
    — → cancelled 1999-01-13
← Back to AA1SH License history →