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

KF7GBT callsign genealogy

Currently held by GRISANTI, JOHN M

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 KF7GBT's current licensee, walking backwards.

  1. KE6OIPcancelled· T
    GRISANTI, JOHN MNVgranted 2004-10-19cancelled 2009-11-19

Successor callsigns

Callsigns held now by people who previously held KF7GBT.

No current licensee on record previously held this callsign.