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

K7JSM callsign genealogy

Currently held by MAUER, JEFFREY S

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 K7JSM's current licensee, walking backwards.

  1. KC7MTRcancelled· G
    MAUER, JEFFREY SMTgranted 1995-08-18cancelled 1999-10-05
  2. N6DWBexpired· G
    Rhiel, William TCAgranted 2013-06-05cancelled 2025-08-08
  3. KB6DWBcancelled· G
    Rhiel, William TCAgranted 1994-07-08cancelled 2003-08-07

Successor callsigns

Callsigns held now by people who previously held K7JSM.

No current licensee on record previously held this callsign.

← Back to K7JSM License history →