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

K4ILS callsign genealogy

Currently held by MAUPIN, DANIEL S

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 K4ILS's current licensee, walking backwards.

  1. KJ4FOQcancelled· G
    SMITH, GARY RFLgranted 2008-07-31cancelled 2014-10-15

Successor callsigns

Callsigns held now by people who previously held K4ILS.

  1. AC0Kexpired· E
    Simmons, Billy JSCgranted 2011-11-17cancelled 2024-01-27
  2. N4KFAcancelled· G
    Maupin, Daniel STNgranted 2010-05-04cancelled 2016-02-17

All historical holders

Every license row we've seen with the callsign K4ILS, oldest first.

  • Simmons, Billy J MN
    1999-02-03 → cancelled 2002-01-26
  • MAUPIN, DANIEL S TN
    2006-04-20 → cancelled 2010-05-04
  • SMITH, GARY R FL
    2024-09-24 active
← Back to K4ILS License history →