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

KB1QFC callsign genealogy

Currently held by Thompson Sr, John 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 KB1QFC'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 KB1QFC.

  1. NA1BCactive· E
    THOMPSON SR, JOHN LMEgranted 2019-12-13