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

KO2P callsign genealogy

Currently held by ZAMBIK, MARY L

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 KO2P's current licensee, walking backwards.

  1. KG4ILRcancelled· E
    Jacobs, Milton JFLgranted 2003-08-12cancelled 2010-04-09
  2. KE4FZVcancelled· T
    JACOBS, MILTON JGAgranted 1993-09-21cancelled 2000-06-28

Successor callsigns

Callsigns held now by people who previously held KO2P.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KO2P, oldest first.

  • ZAMBIK, MARY L NY
    1996-11-26 → cancelled 2004-02-23
  • Jacobs, Milton J GA
    2020-02-20 active