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

KD5YI callsign genealogy

Currently held by SMITH, JOHN 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 KD5YI's current licensee, walking backwards.

  1. N1JLSactive· G
    Stefanik, James PTXgranted 2026-01-24
  2. N1JPScancelled· G
    Stefanik, James PTXgranted 2021-10-30cancelled 2026-01-24
  3. KC1HWYcancelled· T
    Stefanik, James PTXgranted 2017-07-24cancelled 2021-10-30

Successor callsigns

Callsigns held now by people who previously held KD5YI.

  1. N1JLScancelled· E
    SMITH, JOHN LTXgranted 2014-11-25cancelled 2020-11-10

All historical holders

Every license row we've seen with the callsign KD5YI, oldest first.

  • SMITH, JOHN L TX
    2007-07-27 → cancelled 2014-11-25
  • SMITH Jr, JOHN L TX
    2020-11-10 active
← Back to KD5YI License history →