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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KW9J callsign genealogy

Currently held by GARRETT, MARY 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 KW9J's current licensee, walking backwards.

  1. N7EDZcancelled· E
    Niedzwiedz, Edward RILgranted 2019-06-18cancelled 2020-10-03
  2. KC9JSMcancelled· E
    Niedzwiedz, Edward RILgranted 2016-06-09cancelled 2019-06-18

Successor callsigns

Callsigns held now by people who previously held KW9J.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KW9J, oldest first.

  • GARRETT, MARY E IL
    2008-06-12 → cancelled 2020-09-11
  • Niedzwiedz, Edward R IL
    2020-10-03 active
← Back to KW9J License history →