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

NN7O callsign genealogy

Currently held by BURKLEO, CARL T

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 NN7O's current licensee, walking backwards.

  1. K6TLHcancelled· E
    Hardy, Thomas LCAgranted 2019-10-18cancelled 2023-05-12
  2. KN6DKHcancelled· G
    Hardy, Thomas LCAgranted 2019-07-29cancelled 2019-10-18

Successor callsigns

Callsigns held now by people who previously held NN7O.

  1. WA7JAWactive· E
    BURKLEO, CARL TORgranted 2019-03-30

All historical holders

Every license row we've seen with the callsign NN7O, oldest first.

  • HENDRICK, MICHAEL L OR
    2011-02-12 → cancelled 2023-04-22
  • Hardy, Thomas L OR
    2023-05-12 active
  • BURKLEO, CARL T
    — → cancelled 1999-03-31
← Back to NN7O License history →