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

K9RN callsign genealogy

Currently held by MC HENRY COUNTY WIRELESS ASSOCIATION

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 K9RN's current licensee, walking backwards.

  1. KB9MZYcancelled
    MC HENRY COUNTY WIRELESS ASSOCIATIONILgranted 1996-03-19cancelled 2000-12-08

Successor callsigns

Callsigns held now by people who previously held K9RN.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K9RN, oldest first.

  • NIELSEN, ROBERT E IL
    1994-10-13 → cancelled 1999-06-23
  • MC HENRY COUNTY WIRELESS ASSOCIATION IL
    2020-10-22 active
← Back to K9RN License history →