uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KO6Y callsign genealogy

Currently held by DOMBROWSKI, DAVID F

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 KO6Y's current licensee, walking backwards.

  1. AF6CXcancelled· E
    Blomgren, Gwen PCAgranted 2006-09-05cancelled 2007-07-27
  2. KI6FHIcancelled· E
    Blomgren, Gwen PCAgranted 2006-09-05cancelled 2007-06-27

Successor callsigns

Callsigns held now by people who previously held KO6Y.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KO6Y, oldest first.

  • DOMBROWSKI, DAVID F WI
    1996-06-06 → cancelled 2004-03-15
  • Blomgren, Gwen P CA
    2017-05-08 active