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

KD6TIO callsign genealogy

Currently held by CRUM, HAROLD R

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 KD6TIO'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 KD6TIO.

  1. W6BTUactive· G
    CRUM, HAROLD RARgranted 2023-07-07