uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N9ARC callsign genealogy

Currently held by SACK, ROGER 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 N9ARC's current licensee, walking backwards.

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

Successor callsigns

Callsigns held now by people who previously held N9ARC.

  1. N4RDSactive· G
    SACK, ROGER DFLgranted 2020-03-10
  2. KF7BKexpired· A
    VETTER, EDWARD RAZgranted 1993-09-21cancelled 2005-09-22

All historical holders

Every license row we've seen with the callsign N9ARC, oldest first.

  • SACK, ROGER D FL
    2013-09-17 → cancelled 2020-03-10
  • American Red Cross Of Illinois IL
    2023-06-22 active
← Back to N9ARC License history →