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

KB7RGN callsign genealogy

Currently held by BROCKEL, DUANE F

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 KB7RGN's current licensee, walking backwards.

  1. K7DFBactive· G
    Bobko, David FWAgranted 2024-01-23
  2. KK7QCUcancelled· G
    Bobko, David FWAgranted 2023-12-23cancelled 2024-01-23

Successor callsigns

Callsigns held now by people who previously held KB7RGN.

  1. K7DFBcancelled· G
    BROCKEL, DUANE FMTgranted 2005-05-14cancelled 2015-04-11

All historical holders

Every license row we've seen with the callsign KB7RGN, oldest first.

  • BROCKEL, DUANE F MT
    2002-10-15 → cancelled 2005-05-14
  • BROCKEL, DUANE F MT
    2025-03-08 active