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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KR4Q callsign genealogy

Currently held by VAUGHAN, TONY 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 KR4Q's current licensee, walking backwards.

  1. K6BOScancelled· E
    BOSWORTH, CRAIG SFLgranted 2018-02-21cancelled 2022-12-16
  2. WN9Zactive· E
    MC KEE, TIMOTHY RSCgranted 2020-03-13
  3. KO4BAQcancelled· E
    MC KEE, TIMOTHY RSCgranted 2020-01-16cancelled 2020-03-13

Successor callsigns

Callsigns held now by people who previously held KR4Q.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KR4Q, oldest first.

  • VAUGHAN, TONY J FL
    2010-09-21 → cancelled 2022-11-29
  • BOSWORTH, CRAIG S FL
    2022-12-16 active
← Back to KR4Q License history →