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

K7TZ callsign genealogy

Currently held by BYSTROM, CRAIG 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 K7TZ's current licensee, walking backwards.

  1. AA7RN
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K7TZ.

No current licensee on record previously held this callsign.

← Back to K7TZ License history →