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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K6CRT callsign genealogy

Currently held by KIM, STEVE C

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 K6CRT's current licensee, walking backwards.

  1. W6CIAactive· E
    Balasubramanian, Lakshmi NathanTXgranted 2017-04-25
  2. KE8GOPcancelled· G
    Balasubramanian, Lakshmi NathanOHgranted 2017-03-30cancelled 2017-04-25

Successor callsigns

Callsigns held now by people who previously held K6CRT.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6CRT, oldest first.

  • CHOLEWSKI JR, LEON A CA
    1998-12-08 → cancelled 2010-12-09
  • KIM, STEVE C CA
    2015-02-13 active