uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K4YQ callsign genealogy

Currently held by SEXTON, MICHAEL 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 K4YQ's current licensee, walking backwards.

  1. KT4RJcancelled· E
    SEXTON, MICHAEL SFLgranted 2017-03-12cancelled 2020-03-14
  2. NT7Ractive· E
    GOULD JR, RONALD CAZgranted 2019-04-02
  3. KI7KWEcancelled· E
    GOULD JR, RONALD CAZgranted 2017-02-24cancelled 2019-04-02

Successor callsigns

Callsigns held now by people who previously held K4YQ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4YQ, oldest first.

  • PERHAM, MARSHALL R TX
    2003-04-07 → cancelled 2004-02-19
  • Heckle, William H SC
    2016-03-14 → cancelled 2018-02-24
  • SEXTON, MICHAEL S FL
    2020-03-14 active
← Back to K4YQ License history →