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

N4SGC callsign genealogy

Currently held by STEEN, HAROLD J

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 N4SGC's current licensee, walking backwards.

  1. W4RRXcancelled· E
    Christmas, Steven EFLgranted 2018-03-23cancelled 2018-10-27
  2. KM4RREcancelled· G
    Christmas, Steven EFLgranted 2016-02-29cancelled 2018-03-23

Successor callsigns

Callsigns held now by people who previously held N4SGC.

  1. KK3SCactive· E
    Christmas, Steven EFLgranted 2019-03-26

All historical holders

Every license row we've seen with the callsign N4SGC, oldest first.

  • STEEN, HAROLD J FL
    1999-12-15 → cancelled 2011-12-20
  • Christmas, Steven E FL
    2018-10-27 → cancelled 2019-03-26
← Back to N4SGC License history →