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

KF4V callsign genealogy

Currently held by SAWYERS SR, RUSH A

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 KF4V's current licensee, walking backwards.

  1. KF4BLTcancelled· E
    SMITH, THOMAS FGAgranted 2003-10-28cancelled 2007-03-06
  2. K4BLTactive· G
    Pancake, Charles EGAgranted 2017-02-14
  3. WB4MQKcancelled· G
    Pancake, Charles EGAgranted 2006-02-09cancelled 2007-02-13

Successor callsigns

Callsigns held now by people who previously held KF4V.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KF4V, oldest first.

  • SAWYERS SR, RUSH A VA
    1996-12-04 → cancelled 2000-09-16
  • SMITH, THOMAS F GA
    2016-12-13 active