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

K6CR callsign genealogy

Currently held by Hart, Montgomery 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 K6CR's current licensee, walking backwards.

  1. NW6Tactive· E
    KEENE, KEVINCAgranted 2025-12-09
  2. KO6HMKcancelled· E
    KEENE, KEVINCAgranted 2025-01-14cancelled 2025-12-09

Successor callsigns

Callsigns held now by people who previously held K6CR.

  1. W6ENactive· E
    Eng, Nathan LCAgranted 2021-08-23
  2. W6FRcancelled· E
    Hart, Montgomery LCAgranted 2019-07-02cancelled 2024-10-22

All historical holders

Every license row we've seen with the callsign K6CR, oldest first.

  • RICHARDSON, CLIFFORD E CA
    2006-09-21 → cancelled 2012-06-06
  • Hart, Montgomery L CA
    2014-06-27 → cancelled 2019-07-02
  • Eng, Nathan L CA
    2021-07-24 → cancelled 2021-08-23
  • Rotermund, Cody CA
    2023-09-12 active
← Back to K6CR License history →