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

K8NKS callsign genealogy

Currently held by RYBARCZYK SR, NORBERT J

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 K8NKS's current licensee, walking backwards.

  1. K8MABactive· A
    RYBARCZYK JR, NORBERT JMIgranted 2018-09-05

Successor callsigns

Callsigns held now by people who previously held K8NKS.

  1. K8MABactive· A
    RYBARCZYK JR, NORBERT JMIgranted 2018-09-05

All historical holders

Every license row we've seen with the callsign K8NKS, oldest first.

  • RYBARCZYK SR, NORBERT J MI
    1988-06-14 → cancelled 2000-06-15
  • RYBARCZYK JR, NORBERT J MI
    2007-11-20 → cancelled 2008-11-29