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

KB9LEO callsign genealogy

Currently held by MENKE, LAURIE A

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 KB9LEO's current licensee, walking backwards.

  1. KC9VFWcancelled· T
    Penkala, Leo WILgranted 2011-05-10cancelled 2015-06-26
  2. KN9DAVcancelled· T
    Penkala, Leo WILgranted 2009-04-18cancelled 2011-05-10
  3. KC9PHMcancelled· T
    Penkala, Leo WILgranted 2009-03-18cancelled 2009-04-18

Successor callsigns

Callsigns held now by people who previously held KB9LEO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KB9LEO, oldest first.

  • MENKE, LAURIE A IN
    1995-09-07 → cancelled 2007-07-26
  • Penkala, Leo W IL
    2026-02-04 active