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

AC3Y callsign genealogy

Currently held by Nair, Ayyappan G

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 AC3Y's current licensee, walking backwards.

  1. W3TKOcancelled· E
    ROBERTS, JOSEPH FDCgranted 2017-04-18cancelled 2021-09-17
  2. N5KATactive· E
    Katinsky, Steven BCAgranted 2020-03-20
  3. KN6HSZcancelled· E
    Katinsky, Steven BCAgranted 2020-02-21cancelled 2020-03-20

Successor callsigns

Callsigns held now by people who previously held AC3Y.

  1. W3HYactive· E
    Nair, Ayyappan GPAgranted 2019-08-27

All historical holders

Every license row we've seen with the callsign AC3Y, oldest first.

  • KING, JOAN L CA
    2007-04-21 → cancelled 2019-06-18
  • Nair, Ayyappan G PA
    2019-07-06 → cancelled 2019-08-27
  • ROBERTS, JOSEPH F PA
    2021-09-17 active
← Back to AC3Y License history →