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

KB6MTB callsign genealogy

Currently held by Larson, Jeff T

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 KB6MTB's current licensee, walking backwards.

  1. N6MTBactive· E
    Porter Jr., William MCAgranted 2022-09-24
  2. KN6VRFcancelled· G
    Porter Jr., William MCAgranted 2022-09-03cancelled 2022-09-24

Successor callsigns

Callsigns held now by people who previously held KB6MTB.

  1. N6RONexpired· P
    WADSWORTH, CARMENCAgranted 1988-03-01cancelled 2000-03-02
← Back to KB6MTB License history →