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

N4SDB callsign genealogy

Currently held by BUSH, DANIEL P

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 N4SDB's current licensee, walking backwards.

  1. KG4IRNcancelled· G
    Breton, Stacy DFLgranted 2021-11-09cancelled 2021-12-03
  2. K1TDRcancelled· G
    Breton, Stacy DFLgranted 2015-10-31cancelled 2021-11-09

Successor callsigns

Callsigns held now by people who previously held N4SDB.

  1. NF4Jactive· E
    Bush, Daniel PALgranted 2017-09-19

All historical holders

Every license row we've seen with the callsign N4SDB, oldest first.

  • BUSH, DANIEL P AL
    1988-02-23 → cancelled 2000-02-24
  • Bush, Daniel P AL
    2014-04-15 → cancelled 2017-09-19
  • Breton, Stacy D FL
    2021-12-03 active
← Back to N4SDB License history →