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

K5CS callsign genealogy

Currently held by MATHEWS, JOHN 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 K5CS's current licensee, walking backwards.

  1. K5NRCcancelled· E
    SHINGLEUR, CHARLES AARgranted 2001-08-21cancelled 2006-08-04
  2. KF5JHexpired· E
    Howell, Joe CMSgranted 2014-01-24cancelled 2026-03-07
  3. KF5TIGcancelled· E
    Howell, Joe CMSgranted 2013-01-10cancelled 2014-01-24

Successor callsigns

Callsigns held now by people who previously held K5CS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K5CS, oldest first.

  • MATHEWS, JOHN L TX
    1994-07-15 → cancelled 2006-07-18
  • SHINGLEUR, CHARLES A AR
    2026-06-09 active
← Back to K5CS License history →