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

K6JZC callsign genealogy

Currently held by GRENEVELD, STEVEN L

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 K6JZC's current licensee, walking backwards.

  1. KD6JZCcancelled· E
    GRENEVELD, STEVEN LCAgranted 2012-06-05cancelled 2016-04-16

Successor callsigns

Callsigns held now by people who previously held K6JZC.

No current licensee on record previously held this callsign.