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

W9BOS callsign genealogy

Currently held by Jackson, Philip 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 W9BOS's current licensee, walking backwards.

  1. W9WIFcancelled· G
    Harman SR, Earl LILgranted 2008-02-09cancelled 2012-01-04
  2. KC9MQWcancelled· G
    Harman, Earl LILgranted 2007-12-18cancelled 2008-02-09

Successor callsigns

Callsigns held now by people who previously held W9BOS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W9BOS, oldest first.

  • Jackson, Philip R IN
    1999-10-22 → cancelled 2011-12-13
  • Harman SR, Earl L MI
    2022-09-22 active
← Back to W9BOS License history →