uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KF8FFS callsign genealogy

Currently held by Winczewski, Christopher M

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 KF8FFS's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KF8FFS.

  1. K3TAAactive· T
    Winczewski, Christopher MOHgranted 2025-12-30