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

KM6SRI callsign genealogy

Currently held by Zambrana, Logan B

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 KM6SRI'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 KM6SRI.

  1. K2UFOactive· T
    Zambrana MR, Logan BCAgranted 2018-05-30