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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KD4FSU callsign genealogy

Currently held by SUMMEY, JASON L

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 KD4FSU's current licensee, walking backwards.

  1. K1FSUcancelled· G
    SUMMEY, JASON LNCgranted 2017-11-14cancelled 2019-08-02

Successor callsigns

Callsigns held now by people who previously held KD4FSU.

  1. N1FSUactive· G
    SUMMEY, JASON LNCgranted 2022-07-19
  2. K1FSUcancelled· G
    SUMMEY, JASON LNCgranted 2017-11-14cancelled 2019-08-02

All historical holders

Every license row we've seen with the callsign KD4FSU, oldest first.

  • WRIGHT, ANGELA A NJ
    1998-12-07 → cancelled 2003-10-09
  • SUMMEY, JASON L NC
    2017-07-11 → cancelled 2017-11-14
  • SUMMEY, JASON L NC
    2019-08-02 → cancelled 2022-07-19
← Back to KD4FSU License history →