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

WY7JS callsign genealogy

Currently held by SINCLAIR, JOHN W

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 WY7JS's current licensee, walking backwards.

  1. AE7FRcancelled· E
    SINCLAIR, JOHN WWYgranted 2006-06-08cancelled 2010-04-13
  2. KM5KSactive· E
    SINCLAIR, JOHN WWYgranted 2021-12-24

Successor callsigns

Callsigns held now by people who previously held WY7JS.

  1. KM5KSactive· E
    SINCLAIR, JOHN WWYgranted 2021-12-24
← Back to WY7JS License history →