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

N2SDR callsign genealogy

Currently held by BRENNESSEL, MARGARET A

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 N2SDR's current licensee, walking backwards.

  1. AC2IFcancelled· E
    Kersten, Scott ENYgranted 2009-01-21cancelled 2012-03-20
  2. KC2ULQcancelled· E
    Kersten, Scott ENYgranted 2009-01-21cancelled 2012-03-01

Successor callsigns

Callsigns held now by people who previously held N2SDR.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N2SDR, oldest first.

  • BRENNESSEL, MARGARET A NY
    1992-08-04 → cancelled 2004-08-05
  • Kersten, Scott E NY
    2022-02-23 active
← Back to N2SDR License history →