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

AC5SQ callsign genealogy

Currently held by SHELTON, STUART C

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 AC5SQ's current licensee, walking backwards.

  1. KM5UGcancelled· A
    SHELTON, STUART Ccancelled 1999-04-27

Successor callsigns

Callsigns held now by people who previously held AC5SQ.

  1. K5BIexpired· E
    SHELTON, STUART CTXgranted 2009-07-30cancelled 2021-10-27