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

N6LFB callsign genealogy

Currently held by Blachowicz, Leon 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 N6LFB's current licensee, walking backwards.

  1. KM6MDIcancelled· T
    Blachowicz, Leon FCAgranted 2017-08-09cancelled 2017-08-29

Successor callsigns

Callsigns held now by people who previously held N6LFB.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N6LFB, oldest first.

  • THOMAS, ROSCOE F OH
    1994-11-18 → cancelled 2006-11-21
  • Blachowicz, Leon F CA
    2017-08-29 active