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

K4JDD callsign genealogy

Currently held by TINDALL JR, FRED N

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 K4JDD's current licensee, walking backwards.

  1. KN4JDDcancelled· G
    TINDALL JR, FRED NNCgranted 2015-09-29cancelled 2021-04-27
  2. N4CQKcancelled· G
    TINDALL JR, FRED NNCgranted 2015-03-07cancelled 2015-09-29
  3. K4AGEactive· T
    Dai, James YOHgranted 2017-08-18
  4. KN4ESDcancelled· T
    Dai, James YTNgranted 2017-07-18cancelled 2017-08-18

Successor callsigns

Callsigns held now by people who previously held K4JDD.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4JDD, oldest first.

  • Du Bose, Joel D KY
    2009-04-07 → cancelled 2021-04-08
  • TINDALL JR, FRED N NC
    2021-04-27 active
← Back to K4JDD License history →