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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K9DTB callsign genealogy

Currently held by CARUSO, PHILIP J

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 K9DTB's current licensee, walking backwards.

  1. AA8RR
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K9DTB.

No current licensee on record previously held this callsign.

← Back to K9DTB License history →