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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N5TEN callsign genealogy

Currently held by SCHLEFSTEIN, SCOTT 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 N5TEN's current licensee, walking backwards.

  1. K6WLTactive· G
    Haverland Jr, Walter KCAgranted 2021-10-15
  2. KN6QPZcancelled· T
    Haverland Jr, Walter KCAgranted 2021-09-24cancelled 2021-10-15

Successor callsigns

Callsigns held now by people who previously held N5TEN.

  1. N5URKexpired· G
    NORDHAUSER, KENNETH ETXgranted 2011-12-07cancelled 2023-12-08
  2. NA5Ocancelled
    Oklahoma Contesting GroupOKgranted 2009-03-24cancelled 2012-03-07

All historical holders

Every license row we've seen with the callsign N5TEN, oldest first.

  • Oklahoma Contesting Group OK
    2005-03-02 → cancelled 2009-03-24
  • SCHLEFSTEIN, SCOTT A CA
    2022-06-18 active
← Back to N5TEN License history →