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

KS0J callsign genealogy

Currently held by COLE, DONALD L

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 KS0J's current licensee, walking backwards.

  1. AB0UGcancelled· E
    Jackson, Richard HMNgranted 2001-10-15cancelled 2002-04-09
  2. KC0LMRcancelled· E
    Jackson, Richard HMNgranted 2001-10-15cancelled 2002-03-11

Successor callsigns

Callsigns held now by people who previously held KS0J.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KS0J, oldest first.

  • COLE, DONALD L LA
    1989-08-01 → cancelled 2001-08-02
  • Jackson, Richard H MN
    2022-03-22 active
← Back to KS0J License history →