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

N9OC callsign genealogy

Currently held by Haub, William

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 N9OC's current licensee, walking backwards.

  1. N9SCPcancelled· E
    Haub, WilliamINgranted 2019-04-13cancelled 2020-03-31
  2. KD9LRQcancelled· G
    Haub, WilliamINgranted 2018-09-10cancelled 2019-04-13

Successor callsigns

Callsigns held now by people who previously held N9OC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9OC, oldest first.

  • ARNOLD, HAROLD C IN
    2008-02-08 → cancelled 2020-03-12
  • Haub, William IN
    2020-03-31 active
← Back to N9OC License history →