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

KF0YC callsign genealogy

Currently held by ILLIES, DONALD G

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 KF0YC's current licensee, walking backwards.

  1. N0MAZactive· G
    Ziegenbein, Mark AMNgranted 2017-07-15
  2. KE0MAZcancelled· T
    Ziegenbein, Mark AMNgranted 2016-07-01cancelled 2017-07-15
  3. KE0JNLcancelled· T
    Ziegenbein, Mark AMNgranted 2016-06-13cancelled 2016-07-01

Successor callsigns

Callsigns held now by people who previously held KF0YC.

No current licensee on record previously held this callsign.

← Back to KF0YC License history →