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

AI7GU callsign genealogy

Currently held by KNOWLES, JAMES 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 AI7GU's current licensee, walking backwards.

  1. KF7BTMcancelled· E
    KNOWLES, JAMES RUTgranted 2009-04-14cancelled 2009-06-16

Successor callsigns

Callsigns held now by people who previously held AI7GU.

No current licensee on record previously held this callsign.