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

W7USM callsign genealogy

Currently held by STRELOW, HERMAN W

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 W7USM's current licensee, walking backwards.

  1. WB7USMcancelled· G
    STRELOW, HERMAN WAZgranted 2011-10-14cancelled 2019-11-30
  2. KE7QXHcancelled· G
    STRELOW, HERMAN WAZgranted 2006-07-31cancelled 2011-10-14
  3. WB7ESXcancelled· G
    STRELOW, HERMAN WAZgranted 2006-07-31cancelled 2008-01-12

Successor callsigns

Callsigns held now by people who previously held W7USM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W7USM, oldest first.

  • OWINGS, LEONARD G AZ
    2006-06-17 → cancelled 2018-08-02
  • STRELOW, HERMAN W AZ
    2019-11-30 active
← Back to W7USM License history →