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

AB2GP callsign genealogy

Currently held by TSUI, WING PING

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 AB2GP's current licensee, walking backwards.

  1. AG5PYcancelled· E
    TSUI, WING PINGNYgranted 2018-01-09cancelled 2021-05-21
  2. KG5WTEcancelled· E
    TSUI, WING PINGTXgranted 2018-01-09cancelled 2018-05-24

Successor callsigns

Callsigns held now by people who previously held AB2GP.

  1. N2NIactive· E
    Kassel, Michael GNYgranted 2019-12-31

All historical holders

Every license row we've seen with the callsign AB2GP, oldest first.

  • Kassel, Michael G NY
    1995-01-12 → cancelled 1999-12-28
  • TSUI, WING PING NY
    2021-05-21 active