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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N7SX callsign genealogy

Currently held by Zazeski, Ted J

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 N7SX's current licensee, walking backwards.

  1. KA1VXcancelled· E
    Zazeski, Ted JAZgranted 1999-10-20cancelled 2008-12-20
  2. WB9YUP
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N7SX.

  1. W7STactive· E
    Cochlin, Philip AWAgranted 2016-10-15

All historical holders

Every license row we've seen with the callsign N7SX, oldest first.

  • EASTMAN, JON S CA
    1997-02-12 → cancelled 1999-12-03
  • Cochlin, Philip A WA
    2006-04-04 → cancelled 2006-12-01
  • Zazeski, Ted J AZ
    2018-09-28 active
← Back to N7SX License history →