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

NO1SY callsign genealogy

Currently held by Robinson, Charles 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 NO1SY's current licensee, walking backwards.

  1. AG6OKactive· E
    Halley, JamesCAgranted 2019-07-06
  2. KM6GOKcancelled· E
    Halley, JamesCAgranted 2016-11-16cancelled 2019-07-06

Successor callsigns

Callsigns held now by people who previously held NO1SY.

  1. AD7Ncancelled
    EVERGREEN PAPER CHASERSNVgranted 2009-07-28cancelled 2010-09-16

All historical holders

Every license row we've seen with the callsign NO1SY, oldest first.

  • EVERGREEN PAPER CHASERS NV
    2007-03-30 → cancelled 2008-03-07
  • EVERGREEN PAPER CHASERS NV
    2008-05-13 → cancelled 2009-07-28
  • Robinson, Charles L TX
    2024-11-05 active
← Back to NO1SY License history →