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

N4RDS callsign genealogy

Currently held by SCHIEFELBEIN JR, ROBERT D

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 N4RDS's current licensee, walking backwards.

  1. N9ARCactive
    American Red Cross Of IllinoisILgranted 2023-06-22
  2. KD9YJRcancelled
    American Red Cross Of IllinoisILgranted 2023-06-02cancelled 2023-06-22

Successor callsigns

Callsigns held now by people who previously held N4RDS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4RDS, oldest first.

  • DINGE, JACKIE H SC
    1987-09-15 → cancelled 1999-09-16
  • SCHIEFELBEIN JR, ROBERT D FL
    2003-03-28 → cancelled 2015-03-31
  • SACK, ROGER D FL
    2020-03-10 active
← Back to N4RDS License history →