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

W4JAS callsign genealogy

Currently held by SILVEIRA, JORGE A

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 W4JAS's current licensee, walking backwards.

  1. WB4PEA
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W4JAS.

No current licensee on record previously held this callsign.

← Back to W4JAS License history →