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Confidence: Medium · Source: FCC ULS · As of 2026-09-11

W9ISC callsign genealogy

Currently held by WELTY, JOHN R

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 W9ISC's current licensee, walking backwards.

  1. KB9KWL
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W9ISC.

No current licensee on record previously held this callsign.

← Back to W9ISC License history →