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

NS5K callsign genealogy

Currently held by Bills, Clifford J

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 NS5K's current licensee, walking backwards.

  1. NL7NPcancelled· E
    LEWIS, RONALD BTXgranted 2010-01-05cancelled 2014-11-07
  2. KC5BNNcancelled· T
    LEWIS, RONALD BAKgranted 2003-05-22cancelled 2010-01-05

Successor callsigns

Callsigns held now by people who previously held NS5K.

  1. KD5NLactive· E
    Ables, Larry WTXgranted 2023-01-25
  2. KR5TXcancelled· E
    Bills, Clifford JILgranted 2008-02-12cancelled 2010-01-22

All historical holders

Every license row we've seen with the callsign NS5K, oldest first.

  • CRITCHFIELD, BILL TX
    1993-10-05 → cancelled 2005-10-06
  • Bills, Clifford J NM
    2006-05-23 → cancelled 2008-02-12
  • Ables, Larry W TX
    2010-06-19 → cancelled 2012-10-19
  • LEWIS, RONALD B AR
    2024-11-26 active
← Back to NS5K License history →