uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KM4DFT callsign genealogy

Currently held by McNally Jr, Terence J

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 KM4DFT's current licensee, walking backwards.

  1. N4BROactive· T
    CLARK, CHARLESNCgranted 2020-03-17
  2. KN4ZKUcancelled· T
    CLARK, CHARLESNCgranted 2019-10-28cancelled 2020-03-17

Successor callsigns

Callsigns held now by people who previously held KM4DFT.

  1. N4BROcancelled· T
    McNally Jr, Terence JFLgranted 2014-08-23cancelled 2016-07-16

All historical holders

Every license row we've seen with the callsign KM4DFT, oldest first.

  • McNally Jr, Terence J FL
    2014-07-22 → cancelled 2014-08-23
  • McNally Jr, Terence J FL
    2016-07-16 active
← Back to KM4DFT License history →