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

AA2TT callsign genealogy

Currently held by Ma, Tsung 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 AA2TT's current licensee, walking backwards.

  1. AA7DIcancelled· E
    Ma, Tsung PingHIgranted 2022-02-25cancelled 2022-12-02
  2. WH6DOYcancelled· E
    Ma, Tsung PingHIgranted 2020-09-15cancelled 2022-02-25

Successor callsigns

Callsigns held now by people who previously held AA2TT.

  1. WW7CCactive· E
    Ma, Tsung PingHIgranted 2023-09-29
  2. NF2Qactive· E
    SHULMAN, EMANUEL BNYgranted 2023-07-01
  3. NC2Iactive· E
    OGGERI, WILLIAM JNYgranted 2020-11-10

All historical holders

Every license row we've seen with the callsign AA2TT, oldest first.

  • SHULMAN, EMANUEL B NY
    2003-09-23 → cancelled 2013-09-10
  • OGGERI, WILLIAM J NY
    2017-07-04 → cancelled 2020-11-10
  • Ma, Tsung Ping HI
    2022-12-02 → cancelled 2023-09-29
← Back to AA2TT License history →