uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KF4YCC callsign genealogy

Currently held by MURRAY, WILLIAM 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 KF4YCC's current licensee, walking backwards.

  1. N5CALactive· G
    LEACH, RONALD PTXgranted 2025-12-15
  2. N5QODcancelled· G
    LEACH, RONALD PTXgranted 2010-05-27cancelled 2013-11-26
  3. WD5HIA
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KF4YCC.

  1. N4WJMactive· G
    MURRAY, WILLIAM JVAgranted 2021-03-12
← Back to KF4YCC License history →