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

N8BT callsign genealogy

Currently held by MARTIN, DENNIS R

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 N8BT's current licensee, walking backwards.

  1. KQ4Ractive· E
    Milcarsky, Edward JFLgranted 2020-07-11
  2. KG4ARNcancelled· E
    Milcarsky, Edward JFLgranted 2018-08-15cancelled 2020-07-11

Successor callsigns

Callsigns held now by people who previously held N8BT.

  1. KQ4Rcancelled· E
    MARTIN, DENNIS RFLgranted 2016-11-08cancelled 2018-06-22
  2. W8WOWcancelled· E
    MARTIN, DENNIS RMIgranted 2010-10-22cancelled 2012-04-24

All historical holders

Every license row we've seen with the callsign N8BT, oldest first.

  • MARTIN, DENNIS R MI
    2006-09-26 → cancelled 2010-10-22
  • MARTIN, DENNIS R FL
    2012-04-24 → cancelled 2016-11-08
  • MARTIN, DENNIS R FL
    2018-06-22 active