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

AB2IW callsign genealogy

Currently held by Madcharo, Mark 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 AB2IW's current licensee, walking backwards.

  1. KG2QPcancelled· A
    MADCHARO, MARK LNYgranted 1999-05-10cancelled 2000-06-06
  2. WB2KOUcancelled
    cancelled 1999-05-10

Successor callsigns

Callsigns held now by people who previously held AB2IW.

No current licensee on record previously held this callsign.

← Back to AB2IW License history →