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

K0BM callsign genealogy

Currently held by VASTA, WILLIAM 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 K0BM's current licensee, walking backwards.

  1. AA0AZactive· E
    MOSEMANN, RUSSELL JIAgranted 2024-03-26
  2. KA0VEAcancelled· E
    MOSEMANN, RUSSELL JIAgranted 2015-07-14cancelled 2024-03-26

Successor callsigns

Callsigns held now by people who previously held K0BM.

  1. K6SQcancelled· E
    VASTA, WILLIAM MCAgranted 2017-10-20cancelled 2021-05-18

All historical holders

Every license row we've seen with the callsign K0BM, oldest first.

  • MOSCHENROSS, BEN H MO
    2006-08-15 → cancelled 2014-12-29
  • VASTA, WILLIAM M CA
    2017-01-18 → cancelled 2017-10-20
  • KOCHANOWICZ, ANDREW L MO
    2019-11-08 active
← Back to K0BM License history →