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

KC8TBT callsign genealogy

Currently held by WHELAN, ANDREW E

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 KC8TBT's current licensee, walking backwards.

  1. KB9PQYcancelled· T
    WHELAN, ANDREW EMIgranted 1997-02-26cancelled 2002-02-14

Successor callsigns

Callsigns held now by people who previously held KC8TBT.

  1. KK4PBBcancelled· E
    WHELAN, ANDREW ENCgranted 2007-02-08cancelled 2016-04-29