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

KJ7DT callsign genealogy

Currently held by VILLANUEVA, FRED

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 KJ7DT's current licensee, walking backwards.

  1. AI7HMcancelled· E
    SMITH, PAUL FIDgranted 2021-04-28cancelled 2021-07-12
  2. KJ7YIPcancelled· E
    SMITH, PAUL FIDgranted 2021-04-28cancelled 2021-05-18

Successor callsigns

Callsigns held now by people who previously held KJ7DT.

  1. W6SJXcancelled· E
    VILLANUEVA, FREDUTgranted 1998-10-27cancelled 2000-12-09

All historical holders

Every license row we've seen with the callsign KJ7DT, oldest first.

  • Smith, Paul F ID
    2021-07-12 active
  • VILLANUEVA, FRED
    — → cancelled 1998-10-27
← Back to KJ7DT License history →