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

KN4JDD 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 KN4JDD's current licensee, walking backwards.

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

Successor callsigns

Callsigns held now by people who previously held KN4JDD.

  1. K4JDDactive· G
    TINDALL JR, FRED NNCgranted 2021-04-27
← Back to KN4JDD License history →