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

KY9U callsign genealogy

Currently held by LISS, WILLIAM L

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 KY9U's current licensee, walking backwards.

  1. WD9ETM
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KY9U.

No current licensee on record previously held this callsign.

← Back to KY9U License history →