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

K9IPO callsign genealogy

Currently held by MARINOS, JOHN 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 K9IPO's current licensee, walking backwards.

  1. KN2GSPcancelled· E
    MARINOS, JOHN ANYgranted 2010-08-24cancelled 2015-11-10
  2. KC2YZYcancelled· T
    MARINOS, JOHN ANYgranted 2010-08-04cancelled 2010-08-24

Successor callsigns

Callsigns held now by people who previously held K9IPO.

No current licensee on record previously held this callsign.

← Back to K9IPO License history →