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

KF5DX callsign genealogy

Currently held by KISACANIN, BRANISLAV

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 KF5DX's current licensee, walking backwards.

  1. KM7DGKcancelled· E
    Colclough, ChrisAZgranted 2025-11-26cancelled 2026-08-14
  2. KM7CZTcancelled· G
    Colclough, ChrisAZgranted 2025-11-26cancelled 2025-12-08

Successor callsigns

Callsigns held now by people who previously held KF5DX.

  1. NS5Sactive· E
    KISACANIN, BRANISLAVTXgranted 2019-07-09

All historical holders

Every license row we've seen with the callsign KF5DX, oldest first.

  • SHIRLEY, ROBERT B TX
    2006-02-21 → cancelled 2015-07-01
  • KISACANIN, BRANISLAV TX
    2019-05-14 → cancelled 2019-07-09
  • Colclough, Chris AZ
    2026-08-14 active
← Back to KF5DX License history →