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

W6SGH callsign genealogy

Currently held by PATTERSON, JERRY J

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 W6SGH's current licensee, walking backwards.

  1. KM6IQRcancelled· G
    Ackman, ScottCAgranted 2017-02-27cancelled 2020-07-10

Successor callsigns

Callsigns held now by people who previously held W6SGH.

  1. K7ACKactive· G
    Ackman, ScottCAgranted 2020-09-15

All historical holders

Every license row we've seen with the callsign W6SGH, oldest first.

  • PATTERSON, JERRY J CA
    2005-01-12 → cancelled 2017-03-03
  • Ackman, Scott CA
    2020-07-10 → cancelled 2020-09-15