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

KB9QCY callsign genealogy

Currently held by SHOEMAKER, CLIFFORD 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 KB9QCY's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KB9QCY.

  1. W9OIactive· E
    Shoemaker 318, Cliff LILgranted 2022-11-11