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

K7NRD callsign genealogy

Currently held by Luther, Mark A

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 K7NRD's current licensee, walking backwards.

  1. N0SPFcancelled· T
    Luther, Mark AORgranted 2017-03-28cancelled 2022-06-24
  2. KI7LALcancelled· T
    Luther, Mark AORgranted 2017-03-01cancelled 2017-03-28

Successor callsigns

Callsigns held now by people who previously held K7NRD.

  1. KN4WXJactive· G
    Bertelson, James DTNgranted 2024-08-08

All historical holders

Every license row we've seen with the callsign K7NRD, oldest first.

  • Bertelson, James D TN
    2014-08-22 → cancelled 2019-08-30
  • Luther, Mark A OR
    2022-06-24 active
← Back to K7NRD License history →