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

NR9B callsign genealogy

Currently held by SULT, ROBERT 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 NR9B's current licensee, walking backwards.

  1. KC2IMOcancelled· E
    SULT, ROBERT LINgranted 2011-08-13cancelled 2013-01-04

Successor callsigns

Callsigns held now by people who previously held NR9B.

  1. K8WSNcancelled· E
    SCHNEIDER, WILLIAM KTXgranted 2020-07-07cancelled 2020-07-24

All historical holders

Every license row we've seen with the callsign NR9B, oldest first.

  • SCHNEIDER, WILLIAM K MI
    2008-04-01 → cancelled 2010-07-27
  • SULT, ROBERT L IN
    2022-10-15 active
← Back to NR9B License history →