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

W9JFM callsign genealogy

Currently held by HEINRICH, DANIEL C

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 W9JFM's current licensee, walking backwards.

  1. N9JKXcancelled· G
    HEINRICH, DANIEL CWIgranted 2000-02-02cancelled 2010-02-09
  2. KB9DZK
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W9JFM.

  1. AA9ZBactive· E
    Meyer, John FINgranted 2017-07-19

All historical holders

Every license row we've seen with the callsign W9JFM, oldest first.

  • MEYER, JOHN F IN
    1997-10-16 → cancelled 2000-06-08
  • HEINRICH, DANIEL C WI
    2019-12-24 active
← Back to W9JFM License history →