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

K4DVR callsign genealogy

Currently held by VISCOUNT, JEFFREY 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 K4DVR's current licensee, walking backwards.

  1. KK4ONMcancelled· T
    VISCOUNT, JEFFREY SNCgranted 2013-02-19cancelled 2018-07-24

Successor callsigns

Callsigns held now by people who previously held K4DVR.

  1. W5KKXactive· T
    Hendricks, Donald RGAgranted 2018-07-25

All historical holders

Every license row we've seen with the callsign K4DVR, oldest first.

  • Hendricks, Donald R AR
    2002-03-07 → cancelled 2008-10-07
  • VISCOUNT, JEFFREY S NC
    2018-07-24 active
← Back to K4DVR License history →